1 | <?php |
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2 | /** |
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3 | * Rewrite API: WP_Rewrite class |
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4 | * |
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5 | * @package WordPress |
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6 | * @subpackage Rewrite |
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7 | * @since 1.5.0 |
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8 | */ |
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9 | |
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10 | /** |
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11 | * Core class used to implement a rewrite component API. |
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12 | * |
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13 | * The WordPress Rewrite class writes the rewrite module rules to the .htaccess |
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14 | * file. It also handles parsing the request to get the correct setup for the |
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15 | * WordPress Query class. |
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16 | * |
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17 | * The Rewrite along with WP class function as a front controller for WordPress. |
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18 | * You can add rules to trigger your page view and processing using this |
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19 | * component. The full functionality of a front controller does not exist, |
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20 | * meaning you can't define how the template files load based on the rewrite |
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21 | * rules. |
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22 | * |
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23 | * @since 1.5.0 |
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24 | */ |
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25 | class WP_Rewrite { |
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26 | /** |
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27 | * Permalink structure for posts. |
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28 | * |
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29 | * @since 1.5.0 |
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30 | * @var string |
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31 | */ |
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32 | public $permalink_structure; |
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33 | |
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34 | /** |
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35 | * Whether to add trailing slashes. |
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36 | * |
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37 | * @since 2.2.0 |
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38 | * @var bool |
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39 | */ |
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40 | public $use_trailing_slashes; |
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41 | |
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42 | /** |
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43 | * Base for the author permalink structure (example.com/$author_base/authorname). |
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44 | * |
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45 | * @since 1.5.0 |
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46 | * @access private |
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47 | * @var string |
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48 | */ |
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49 | var $author_base = 'author'; |
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50 | |
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51 | /** |
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52 | * Permalink structure for author archives. |
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53 | * |
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54 | * @since 1.5.0 |
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55 | * @access private |
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56 | * @var string |
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57 | */ |
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58 | var $author_structure; |
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59 | |
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60 | /** |
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61 | * Permalink structure for date archives. |
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62 | * |
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63 | * @since 1.5.0 |
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64 | * @access private |
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65 | * @var string |
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66 | */ |
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67 | var $date_structure; |
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68 | |
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69 | /** |
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70 | * Permalink structure for pages. |
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71 | * |
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72 | * @since 1.5.0 |
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73 | * @access private |
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74 | * @var string |
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75 | */ |
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76 | var $page_structure; |
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77 | |
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78 | /** |
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79 | * Base of the search permalink structure (example.com/$search_base/query). |
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80 | * |
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81 | * @since 1.5.0 |
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82 | * @access private |
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83 | * @var string |
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84 | */ |
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85 | var $search_base = 'search'; |
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86 | |
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87 | /** |
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88 | * Permalink structure for searches. |
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89 | * |
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90 | * @since 1.5.0 |
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91 | * @access private |
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92 | * @var string |
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93 | */ |
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94 | var $search_structure; |
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95 | |
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96 | /** |
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97 | * Comments permalink base. |
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98 | * |
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99 | * @since 1.5.0 |
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100 | * @access private |
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101 | * @var string |
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102 | */ |
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103 | var $comments_base = 'comments'; |
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104 | |
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105 | /** |
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106 | * Pagination permalink base. |
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107 | * |
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108 | * @since 3.1.0 |
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109 | * @var string |
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110 | */ |
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111 | public $pagination_base = 'page'; |
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112 | |
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113 | /** |
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114 | * Comments pagination permalink base. |
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115 | * |
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116 | * @since 4.2.0 |
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117 | * @access private |
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118 | * @var string |
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119 | */ |
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120 | var $comments_pagination_base = 'comment-page'; |
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121 | |
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122 | /** |
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123 | * Feed permalink base. |
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124 | * |
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125 | * @since 1.5.0 |
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126 | * @access private |
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127 | * @var string |
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128 | */ |
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129 | var $feed_base = 'feed'; |
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130 | |
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131 | /** |
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132 | * Comments feed permalink structure. |
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133 | * |
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134 | * @since 1.5.0 |
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135 | * @access private |
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136 | * @var string |
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137 | */ |
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138 | var $comment_feed_structure; |
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139 | |
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140 | /** |
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141 | * Feed request permalink structure. |
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142 | * |
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143 | * @since 1.5.0 |
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144 | * @access private |
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145 | * @var string |
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146 | */ |
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147 | var $feed_structure; |
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148 | |
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149 | /** |
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150 | * The static portion of the post permalink structure. |
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151 | * |
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152 | * If the permalink structure is "/archive/%post_id%" then the front |
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153 | * is "/archive/". If the permalink structure is "/%year%/%postname%/" |
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154 | * then the front is "/". |
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155 | * |
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156 | * @since 1.5.0 |
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157 | * @access public |
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158 | * @var string |
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159 | * |
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160 | * @see WP_Rewrite::init() |
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161 | */ |
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162 | public $front; |
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163 | |
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164 | /** |
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165 | * The prefix for all permalink structures. |
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166 | * |
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167 | * If PATHINFO/index permalinks are in use then the root is the value of |
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168 | * `WP_Rewrite::$index` with a trailing slash appended. Otherwise the root |
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169 | * will be empty. |
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170 | * |
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171 | * @since 1.5.0 |
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172 | * @access public |
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173 | * @var string |
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174 | * |
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175 | * @see WP_Rewrite::init() |
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176 | * @see WP_Rewrite::using_index_permalinks() |
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177 | */ |
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178 | public $root = ''; |
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179 | |
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180 | /** |
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181 | * The name of the index file which is the entry point to all requests. |
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182 | * |
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183 | * @since 1.5.0 |
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184 | * @access public |
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185 | * @var string |
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186 | */ |
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187 | public $index = 'index.php'; |
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188 | |
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189 | /** |
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190 | * Variable name to use for regex matches in the rewritten query. |
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191 | * |
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192 | * @since 1.5.0 |
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193 | * @access private |
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194 | * @var string |
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195 | */ |
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196 | var $matches = ''; |
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197 | |
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198 | /** |
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199 | * Rewrite rules to match against the request to find the redirect or query. |
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200 | * |
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201 | * @since 1.5.0 |
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202 | * @access private |
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203 | * @var array |
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204 | */ |
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205 | var $rules; |
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206 | |
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207 | /** |
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208 | * Additional rules added external to the rewrite class. |
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209 | * |
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210 | * Those not generated by the class, see add_rewrite_rule(). |
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211 | * |
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212 | * @since 2.1.0 |
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213 | * @access private |
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214 | * @var array |
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215 | */ |
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216 | var $extra_rules = array(); |
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217 | |
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218 | /** |
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219 | * Additional rules that belong at the beginning to match first. |
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220 | * |
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221 | * Those not generated by the class, see add_rewrite_rule(). |
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222 | * |
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223 | * @since 2.3.0 |
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224 | * @access private |
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225 | * @var array |
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226 | */ |
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227 | var $extra_rules_top = array(); |
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228 | |
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229 | /** |
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230 | * Rules that don't redirect to WordPress' index.php. |
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231 | * |
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232 | * These rules are written to the mod_rewrite portion of the .htaccess, |
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233 | * and are added by add_external_rule(). |
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234 | * |
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235 | * @since 2.1.0 |
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236 | * @access private |
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237 | * @var array |
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238 | */ |
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239 | var $non_wp_rules = array(); |
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240 | |
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241 | /** |
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242 | * Extra permalink structures, e.g. categories, added by add_permastruct(). |
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243 | * |
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244 | * @since 2.1.0 |
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245 | * @access private |
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246 | * @var array |
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247 | */ |
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248 | var $extra_permastructs = array(); |
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249 | |
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250 | /** |
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251 | * Endpoints (like /trackback/) added by add_rewrite_endpoint(). |
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252 | * |
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253 | * @since 2.1.0 |
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254 | * @access private |
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255 | * @var array |
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256 | */ |
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257 | var $endpoints; |
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258 | |
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259 | /** |
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260 | * Whether to write every mod_rewrite rule for WordPress into the .htaccess file. |
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261 | * |
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262 | * This is off by default, turning it on might print a lot of rewrite rules |
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263 | * to the .htaccess file. |
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264 | * |
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265 | * @since 2.0.0 |
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266 | * @access public |
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267 | * @var bool |
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268 | * |
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269 | * @see WP_Rewrite::mod_rewrite_rules() |
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270 | */ |
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271 | public $use_verbose_rules = false; |
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272 | |
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273 | /** |
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274 | * Could post permalinks be confused with those of pages? |
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275 | * |
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276 | * If the first rewrite tag in the post permalink structure is one that could |
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277 | * also match a page name (e.g. %postname% or %author%) then this flag is |
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278 | * set to true. Prior to WordPress 3.3 this flag indicated that every page |
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279 | * would have a set of rules added to the top of the rewrite rules array. |
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280 | * Now it tells WP::parse_request() to check if a URL matching the page |
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281 | * permastruct is actually a page before accepting it. |
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282 | * |
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283 | * @since 2.5.0 |
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284 | * @access public |
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285 | * @var bool |
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286 | * |
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287 | * @see WP_Rewrite::init() |
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288 | */ |
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289 | public $use_verbose_page_rules = true; |
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290 | |
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291 | /** |
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292 | * Rewrite tags that can be used in permalink structures. |
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293 | * |
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294 | * These are translated into the regular expressions stored in |
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295 | * `WP_Rewrite::$rewritereplace` and are rewritten to the query |
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296 | * variables listed in WP_Rewrite::$queryreplace. |
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297 | * |
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298 | * Additional tags can be added with add_rewrite_tag(). |
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299 | * |
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300 | * @since 1.5.0 |
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301 | * @access private |
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302 | * @var array |
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303 | */ |
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304 | var $rewritecode = array( |
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305 | '%year%', |
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306 | '%monthnum%', |
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307 | '%day%', |
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308 | '%hour%', |
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309 | '%minute%', |
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310 | '%second%', |
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311 | '%postname%', |
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312 | '%post_id%', |
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313 | '%author%', |
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314 | '%pagename%', |
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315 | '%search%' |
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316 | ); |
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317 | |
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318 | /** |
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319 | * Regular expressions to be substituted into rewrite rules in place |
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320 | * of rewrite tags, see WP_Rewrite::$rewritecode. |
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321 | * |
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322 | * @since 1.5.0 |
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323 | * @access private |
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324 | * @var array |
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325 | */ |
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326 | var $rewritereplace = array( |
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327 | '([0-9]{4})', |
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328 | '([0-9]{1,2})', |
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329 | '([0-9]{1,2})', |
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330 | '([0-9]{1,2})', |
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331 | '([0-9]{1,2})', |
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332 | '([0-9]{1,2})', |
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333 | '([^/]+)', |
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334 | '([0-9]+)', |
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335 | '([^/]+)', |
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336 | '([^/]+?)', |
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337 | '(.+)' |
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338 | ); |
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339 | |
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340 | /** |
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341 | * Query variables that rewrite tags map to, see WP_Rewrite::$rewritecode. |
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342 | * |
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343 | * @since 1.5.0 |
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344 | * @access private |
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345 | * @var array |
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346 | */ |
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347 | var $queryreplace = array( |
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348 | 'year=', |
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349 | 'monthnum=', |
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350 | 'day=', |
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351 | 'hour=', |
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352 | 'minute=', |
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353 | 'second=', |
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354 | 'name=', |
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355 | 'p=', |
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356 | 'author_name=', |
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357 | 'pagename=', |
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358 | 's=' |
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359 | ); |
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360 | |
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361 | /** |
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362 | * Supported default feeds. |
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363 | * |
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364 | * @since 1.5.0 |
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365 | * @var array |
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366 | */ |
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367 | public $feeds = array( 'feed', 'rdf', 'rss', 'rss2', 'atom' ); |
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368 | |
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369 | /** |
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370 | * Determines whether permalinks are being used. |
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371 | * |
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372 | * This can be either rewrite module or permalink in the HTTP query string. |
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373 | * |
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374 | * @since 1.5.0 |
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375 | * @access public |
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376 | * |
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377 | * @return bool True, if permalinks are enabled. |
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378 | */ |
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379 | public function using_permalinks() { |
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380 | return ! empty($this->permalink_structure); |
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381 | } |
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382 | |
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383 | /** |
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384 | * Determines whether permalinks are being used and rewrite module is not enabled. |
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385 | * |
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386 | * Means that permalink links are enabled and index.php is in the URL. |
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387 | * |
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388 | * @since 1.5.0 |
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389 | * @access public |
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390 | * |
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391 | * @return bool Whether permalink links are enabled and index.php is in the URL. |
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392 | */ |
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393 | public function using_index_permalinks() { |
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394 | if ( empty( $this->permalink_structure ) ) { |
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395 | return false; |
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396 | } |
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397 | |
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398 | // If the index is not in the permalink, we're using mod_rewrite. |
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399 | return preg_match( '#^/*' . $this->index . '#', $this->permalink_structure ); |
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400 | } |
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401 | |
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402 | /** |
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403 | * Determines whether permalinks are being used and rewrite module is enabled. |
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404 | * |
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405 | * Using permalinks and index.php is not in the URL. |
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406 | * |
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407 | * @since 1.5.0 |
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408 | * @access public |
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409 | * |
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410 | * @return bool Whether permalink links are enabled and index.php is NOT in the URL. |
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411 | */ |
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412 | public function using_mod_rewrite_permalinks() { |
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413 | return $this->using_permalinks() && ! $this->using_index_permalinks(); |
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414 | } |
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415 | |
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416 | /** |
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417 | * Indexes for matches for usage in preg_*() functions. |
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418 | * |
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419 | * The format of the string is, with empty matches property value, '$NUM'. |
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420 | * The 'NUM' will be replaced with the value in the $number parameter. With |
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421 | * the matches property not empty, the value of the returned string will |
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422 | * contain that value of the matches property. The format then will be |
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423 | * '$MATCHES[NUM]', with MATCHES as the value in the property and NUM the |
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424 | * value of the $number parameter. |
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425 | * |
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426 | * @since 1.5.0 |
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427 | * @access public |
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428 | * |
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429 | * @param int $number Index number. |
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430 | * @return string |
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431 | */ |
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432 | public function preg_index($number) { |
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433 | $match_prefix = '$'; |
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434 | $match_suffix = ''; |
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435 | |
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436 | if ( ! empty($this->matches) ) { |
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437 | $match_prefix = '$' . $this->matches . '['; |
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438 | $match_suffix = ']'; |
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439 | } |
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440 | |
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441 | return "$match_prefix$number$match_suffix"; |
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442 | } |
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443 | |
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444 | /** |
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445 | * Retrieves all page and attachments for pages URIs. |
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446 | * |
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447 | * The attachments are for those that have pages as parents and will be |
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448 | * retrieved. |
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449 | * |
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450 | * @since 2.5.0 |
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451 | * @access public |
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452 | * |
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453 | * @global wpdb $wpdb WordPress database abstraction object. |
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454 | * |
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455 | * @return array Array of page URIs as first element and attachment URIs as second element. |
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456 | */ |
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457 | public function page_uri_index() { |
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458 | global $wpdb; |
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459 | |
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460 | // Get pages in order of hierarchy, i.e. children after parents. |
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461 | $pages = $wpdb->get_results("SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'page' AND post_status != 'auto-draft'"); |
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462 | $posts = get_page_hierarchy( $pages ); |
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463 | |
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464 | // If we have no pages get out quick. |
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465 | if ( !$posts ) |
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466 | return array( array(), array() ); |
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467 | |
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468 | // Now reverse it, because we need parents after children for rewrite rules to work properly. |
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469 | $posts = array_reverse($posts, true); |
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470 | |
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471 | $page_uris = array(); |
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472 | $page_attachment_uris = array(); |
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473 | |
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474 | foreach ( $posts as $id => $post ) { |
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475 | // URL => page name |
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476 | $uri = get_page_uri($id); |
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477 | $attachments = $wpdb->get_results( $wpdb->prepare( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'attachment' AND post_parent = %d", $id )); |
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478 | if ( !empty($attachments) ) { |
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479 | foreach ( $attachments as $attachment ) { |
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480 | $attach_uri = get_page_uri($attachment->ID); |
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481 | $page_attachment_uris[$attach_uri] = $attachment->ID; |
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482 | } |
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483 | } |
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484 | |
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485 | $page_uris[$uri] = $id; |
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486 | } |
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487 | |
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488 | return array( $page_uris, $page_attachment_uris ); |
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489 | } |
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490 | |
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491 | /** |
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492 | * Retrieves all of the rewrite rules for pages. |
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493 | * |
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494 | * @since 1.5.0 |
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495 | * @access public |
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496 | * |
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497 | * @return array Page rewrite rules. |
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498 | */ |
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499 | public function page_rewrite_rules() { |
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500 | // The extra .? at the beginning prevents clashes with other regular expressions in the rules array. |
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501 | $this->add_rewrite_tag( '%pagename%', '(.?.+?)', 'pagename=' ); |
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502 | |
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503 | return $this->generate_rewrite_rules( $this->get_page_permastruct(), EP_PAGES, true, true, false, false ); |
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504 | } |
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505 | |
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506 | /** |
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507 | * Retrieves date permalink structure, with year, month, and day. |
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508 | * |
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509 | * The permalink structure for the date, if not set already depends on the |
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510 | * permalink structure. It can be one of three formats. The first is year, |
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511 | * month, day; the second is day, month, year; and the last format is month, |
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512 | * day, year. These are matched against the permalink structure for which |
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513 | * one is used. If none matches, then the default will be used, which is |
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514 | * year, month, day. |
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515 | * |
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516 | * Prevents post ID and date permalinks from overlapping. In the case of |
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517 | * post_id, the date permalink will be prepended with front permalink with |
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518 | * 'date/' before the actual permalink to form the complete date permalink |
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519 | * structure. |
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520 | * |
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521 | * @since 1.5.0 |
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522 | * @access public |
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523 | * |
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524 | * @return string|false False on no permalink structure. Date permalink structure. |
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525 | */ |
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526 | public function get_date_permastruct() { |
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527 | if ( isset($this->date_structure) ) |
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528 | return $this->date_structure; |
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529 | |
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530 | if ( empty($this->permalink_structure) ) { |
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531 | $this->date_structure = ''; |
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532 | return false; |
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533 | } |
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534 | |
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535 | // The date permalink must have year, month, and day separated by slashes. |
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536 | $endians = array('%year%/%monthnum%/%day%', '%day%/%monthnum%/%year%', '%monthnum%/%day%/%year%'); |
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537 | |
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538 | $this->date_structure = ''; |
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539 | $date_endian = ''; |
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540 | |
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541 | foreach ( $endians as $endian ) { |
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542 | if ( false !== strpos($this->permalink_structure, $endian) ) { |
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543 | $date_endian= $endian; |
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544 | break; |
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545 | } |
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546 | } |
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547 | |
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548 | if ( empty($date_endian) ) |
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549 | $date_endian = '%year%/%monthnum%/%day%'; |
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550 | |
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551 | /* |
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552 | * Do not allow the date tags and %post_id% to overlap in the permalink |
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553 | * structure. If they do, move the date tags to $front/date/. |
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554 | */ |
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555 | $front = $this->front; |
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556 | preg_match_all('/%.+?%/', $this->permalink_structure, $tokens); |
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557 | $tok_index = 1; |
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558 | foreach ( (array) $tokens[0] as $token) { |
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559 | if ( '%post_id%' == $token && ($tok_index <= 3) ) { |
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560 | $front = $front . 'date/'; |
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561 | break; |
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562 | } |
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563 | $tok_index++; |
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564 | } |
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565 | |
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566 | $this->date_structure = $front . $date_endian; |
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567 | |
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568 | return $this->date_structure; |
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569 | } |
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570 | |
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571 | /** |
---|
572 | * Retrieves the year permalink structure without month and day. |
---|
573 | * |
---|
574 | * Gets the date permalink structure and strips out the month and day |
---|
575 | * permalink structures. |
---|
576 | * |
---|
577 | * @since 1.5.0 |
---|
578 | * @access public |
---|
579 | * |
---|
580 | * @return false|string False on failure. Year structure on success. |
---|
581 | */ |
---|
582 | public function get_year_permastruct() { |
---|
583 | $structure = $this->get_date_permastruct(); |
---|
584 | |
---|
585 | if ( empty($structure) ) |
---|
586 | return false; |
---|
587 | |
---|
588 | $structure = str_replace('%monthnum%', '', $structure); |
---|
589 | $structure = str_replace('%day%', '', $structure); |
---|
590 | $structure = preg_replace('#/+#', '/', $structure); |
---|
591 | |
---|
592 | return $structure; |
---|
593 | } |
---|
594 | |
---|
595 | /** |
---|
596 | * Retrieves the month permalink structure without day and with year. |
---|
597 | * |
---|
598 | * Gets the date permalink structure and strips out the day permalink |
---|
599 | * structures. Keeps the year permalink structure. |
---|
600 | * |
---|
601 | * @since 1.5.0 |
---|
602 | * @access public |
---|
603 | * |
---|
604 | * @return false|string False on failure. Year/Month structure on success. |
---|
605 | */ |
---|
606 | public function get_month_permastruct() { |
---|
607 | $structure = $this->get_date_permastruct(); |
---|
608 | |
---|
609 | if ( empty($structure) ) |
---|
610 | return false; |
---|
611 | |
---|
612 | $structure = str_replace('%day%', '', $structure); |
---|
613 | $structure = preg_replace('#/+#', '/', $structure); |
---|
614 | |
---|
615 | return $structure; |
---|
616 | } |
---|
617 | |
---|
618 | /** |
---|
619 | * Retrieves the day permalink structure with month and year. |
---|
620 | * |
---|
621 | * Keeps date permalink structure with all year, month, and day. |
---|
622 | * |
---|
623 | * @since 1.5.0 |
---|
624 | * @access public |
---|
625 | * |
---|
626 | * @return string|false False on failure. Year/Month/Day structure on success. |
---|
627 | */ |
---|
628 | public function get_day_permastruct() { |
---|
629 | return $this->get_date_permastruct(); |
---|
630 | } |
---|
631 | |
---|
632 | /** |
---|
633 | * Retrieves the permalink structure for categories. |
---|
634 | * |
---|
635 | * If the category_base property has no value, then the category structure |
---|
636 | * will have the front property value, followed by 'category', and finally |
---|
637 | * '%category%'. If it does, then the root property will be used, along with |
---|
638 | * the category_base property value. |
---|
639 | * |
---|
640 | * @since 1.5.0 |
---|
641 | * @access public |
---|
642 | * |
---|
643 | * @return string|false False on failure. Category permalink structure. |
---|
644 | */ |
---|
645 | public function get_category_permastruct() { |
---|
646 | return $this->get_extra_permastruct('category'); |
---|
647 | } |
---|
648 | |
---|
649 | /** |
---|
650 | * Retrieve the permalink structure for tags. |
---|
651 | * |
---|
652 | * If the tag_base property has no value, then the tag structure will have |
---|
653 | * the front property value, followed by 'tag', and finally '%tag%'. If it |
---|
654 | * does, then the root property will be used, along with the tag_base |
---|
655 | * property value. |
---|
656 | * |
---|
657 | * @since 2.3.0 |
---|
658 | * @access public |
---|
659 | * |
---|
660 | * @return string|false False on failure. Tag permalink structure. |
---|
661 | */ |
---|
662 | public function get_tag_permastruct() { |
---|
663 | return $this->get_extra_permastruct('post_tag'); |
---|
664 | } |
---|
665 | |
---|
666 | /** |
---|
667 | * Retrieves an extra permalink structure by name. |
---|
668 | * |
---|
669 | * @since 2.5.0 |
---|
670 | * @access public |
---|
671 | * |
---|
672 | * @param string $name Permalink structure name. |
---|
673 | * @return string|false False if not found. Permalink structure string. |
---|
674 | */ |
---|
675 | public function get_extra_permastruct($name) { |
---|
676 | if ( empty($this->permalink_structure) ) |
---|
677 | return false; |
---|
678 | |
---|
679 | if ( isset($this->extra_permastructs[$name]) ) |
---|
680 | return $this->extra_permastructs[$name]['struct']; |
---|
681 | |
---|
682 | return false; |
---|
683 | } |
---|
684 | |
---|
685 | /** |
---|
686 | * Retrieves the author permalink structure. |
---|
687 | * |
---|
688 | * The permalink structure is front property, author base, and finally |
---|
689 | * '/%author%'. Will set the author_structure property and then return it |
---|
690 | * without attempting to set the value again. |
---|
691 | * |
---|
692 | * @since 1.5.0 |
---|
693 | * @access public |
---|
694 | * |
---|
695 | * @return string|false False if not found. Permalink structure string. |
---|
696 | */ |
---|
697 | public function get_author_permastruct() { |
---|
698 | if ( isset($this->author_structure) ) |
---|
699 | return $this->author_structure; |
---|
700 | |
---|
701 | if ( empty($this->permalink_structure) ) { |
---|
702 | $this->author_structure = ''; |
---|
703 | return false; |
---|
704 | } |
---|
705 | |
---|
706 | $this->author_structure = $this->front . $this->author_base . '/%author%'; |
---|
707 | |
---|
708 | return $this->author_structure; |
---|
709 | } |
---|
710 | |
---|
711 | /** |
---|
712 | * Retrieves the search permalink structure. |
---|
713 | * |
---|
714 | * The permalink structure is root property, search base, and finally |
---|
715 | * '/%search%'. Will set the search_structure property and then return it |
---|
716 | * without attempting to set the value again. |
---|
717 | * |
---|
718 | * @since 1.5.0 |
---|
719 | * @access public |
---|
720 | * |
---|
721 | * @return string|false False if not found. Permalink structure string. |
---|
722 | */ |
---|
723 | public function get_search_permastruct() { |
---|
724 | if ( isset($this->search_structure) ) |
---|
725 | return $this->search_structure; |
---|
726 | |
---|
727 | if ( empty($this->permalink_structure) ) { |
---|
728 | $this->search_structure = ''; |
---|
729 | return false; |
---|
730 | } |
---|
731 | |
---|
732 | $this->search_structure = $this->root . $this->search_base . '/%search%'; |
---|
733 | |
---|
734 | return $this->search_structure; |
---|
735 | } |
---|
736 | |
---|
737 | /** |
---|
738 | * Retrieves the page permalink structure. |
---|
739 | * |
---|
740 | * The permalink structure is root property, and '%pagename%'. Will set the |
---|
741 | * page_structure property and then return it without attempting to set the |
---|
742 | * value again. |
---|
743 | * |
---|
744 | * @since 1.5.0 |
---|
745 | * @access public |
---|
746 | * |
---|
747 | * @return string|false False if not found. Permalink structure string. |
---|
748 | */ |
---|
749 | public function get_page_permastruct() { |
---|
750 | if ( isset($this->page_structure) ) |
---|
751 | return $this->page_structure; |
---|
752 | |
---|
753 | if (empty($this->permalink_structure)) { |
---|
754 | $this->page_structure = ''; |
---|
755 | return false; |
---|
756 | } |
---|
757 | |
---|
758 | $this->page_structure = $this->root . '%pagename%'; |
---|
759 | |
---|
760 | return $this->page_structure; |
---|
761 | } |
---|
762 | |
---|
763 | /** |
---|
764 | * Retrieves the feed permalink structure. |
---|
765 | * |
---|
766 | * The permalink structure is root property, feed base, and finally |
---|
767 | * '/%feed%'. Will set the feed_structure property and then return it |
---|
768 | * without attempting to set the value again. |
---|
769 | * |
---|
770 | * @since 1.5.0 |
---|
771 | * @access public |
---|
772 | * |
---|
773 | * @return string|false False if not found. Permalink structure string. |
---|
774 | */ |
---|
775 | public function get_feed_permastruct() { |
---|
776 | if ( isset($this->feed_structure) ) |
---|
777 | return $this->feed_structure; |
---|
778 | |
---|
779 | if ( empty($this->permalink_structure) ) { |
---|
780 | $this->feed_structure = ''; |
---|
781 | return false; |
---|
782 | } |
---|
783 | |
---|
784 | $this->feed_structure = $this->root . $this->feed_base . '/%feed%'; |
---|
785 | |
---|
786 | return $this->feed_structure; |
---|
787 | } |
---|
788 | |
---|
789 | /** |
---|
790 | * Retrieves the comment feed permalink structure. |
---|
791 | * |
---|
792 | * The permalink structure is root property, comment base property, feed |
---|
793 | * base and finally '/%feed%'. Will set the comment_feed_structure property |
---|
794 | * and then return it without attempting to set the value again. |
---|
795 | * |
---|
796 | * @since 1.5.0 |
---|
797 | * @access public |
---|
798 | * |
---|
799 | * @return string|false False if not found. Permalink structure string. |
---|
800 | */ |
---|
801 | public function get_comment_feed_permastruct() { |
---|
802 | if ( isset($this->comment_feed_structure) ) |
---|
803 | return $this->comment_feed_structure; |
---|
804 | |
---|
805 | if (empty($this->permalink_structure)) { |
---|
806 | $this->comment_feed_structure = ''; |
---|
807 | return false; |
---|
808 | } |
---|
809 | |
---|
810 | $this->comment_feed_structure = $this->root . $this->comments_base . '/' . $this->feed_base . '/%feed%'; |
---|
811 | |
---|
812 | return $this->comment_feed_structure; |
---|
813 | } |
---|
814 | |
---|
815 | /** |
---|
816 | * Adds or updates existing rewrite tags (e.g. %postname%). |
---|
817 | * |
---|
818 | * If the tag already exists, replace the existing pattern and query for |
---|
819 | * that tag, otherwise add the new tag. |
---|
820 | * |
---|
821 | * @since 1.5.0 |
---|
822 | * @access public |
---|
823 | * |
---|
824 | * @see WP_Rewrite::$rewritecode |
---|
825 | * @see WP_Rewrite::$rewritereplace |
---|
826 | * @see WP_Rewrite::$queryreplace |
---|
827 | * |
---|
828 | * @param string $tag Name of the rewrite tag to add or update. |
---|
829 | * @param string $regex Regular expression to substitute the tag for in rewrite rules. |
---|
830 | * @param string $query String to append to the rewritten query. Must end in '='. |
---|
831 | */ |
---|
832 | public function add_rewrite_tag( $tag, $regex, $query ) { |
---|
833 | $position = array_search( $tag, $this->rewritecode ); |
---|
834 | if ( false !== $position && null !== $position ) { |
---|
835 | $this->rewritereplace[ $position ] = $regex; |
---|
836 | $this->queryreplace[ $position ] = $query; |
---|
837 | } else { |
---|
838 | $this->rewritecode[] = $tag; |
---|
839 | $this->rewritereplace[] = $regex; |
---|
840 | $this->queryreplace[] = $query; |
---|
841 | } |
---|
842 | } |
---|
843 | |
---|
844 | |
---|
845 | /** |
---|
846 | * Removes an existing rewrite tag. |
---|
847 | * |
---|
848 | * @since 4.5.0 |
---|
849 | * @access public |
---|
850 | * |
---|
851 | * @see WP_Rewrite::$rewritecode |
---|
852 | * @see WP_Rewrite::$rewritereplace |
---|
853 | * @see WP_Rewrite::$queryreplace |
---|
854 | * |
---|
855 | * @param string $tag Name of the rewrite tag to remove. |
---|
856 | */ |
---|
857 | public function remove_rewrite_tag( $tag ) { |
---|
858 | $position = array_search( $tag, $this->rewritecode ); |
---|
859 | if ( false !== $position && null !== $position ) { |
---|
860 | unset( $this->rewritecode[ $position ] ); |
---|
861 | unset( $this->rewritereplace[ $position ] ); |
---|
862 | unset( $this->queryreplace[ $position ] ); |
---|
863 | } |
---|
864 | } |
---|
865 | |
---|
866 | /** |
---|
867 | * Generates rewrite rules from a permalink structure. |
---|
868 | * |
---|
869 | * The main WP_Rewrite function for building the rewrite rule list. The |
---|
870 | * contents of the function is a mix of black magic and regular expressions, |
---|
871 | * so best just ignore the contents and move to the parameters. |
---|
872 | * |
---|
873 | * @since 1.5.0 |
---|
874 | * @access public |
---|
875 | * |
---|
876 | * @param string $permalink_structure The permalink structure. |
---|
877 | * @param int $ep_mask Optional. Endpoint mask defining what endpoints are added to the structure. |
---|
878 | * Accepts `EP_NONE`, `EP_PERMALINK`, `EP_ATTACHMENT`, `EP_DATE`, `EP_YEAR`, |
---|
879 | * `EP_MONTH`, `EP_DAY`, `EP_ROOT`, `EP_COMMENTS`, `EP_SEARCH`, `EP_CATEGORIES`, |
---|
880 | * `EP_TAGS`, `EP_AUTHORS`, `EP_PAGES`, `EP_ALL_ARCHIVES`, and `EP_ALL`. |
---|
881 | * Default `EP_NONE`. |
---|
882 | * @param bool $paged Optional. Whether archive pagination rules should be added for the structure. |
---|
883 | * Default true. |
---|
884 | * @param bool $feed Optional Whether feed rewrite rules should be added for the structure. |
---|
885 | * Default true. |
---|
886 | * @param bool $forcomments Optional. Whether the feed rules should be a query for a comments feed. |
---|
887 | * Default false. |
---|
888 | * @param bool $walk_dirs Optional. Whether the 'directories' making up the structure should be walked |
---|
889 | * over and rewrite rules built for each in-turn. Default true. |
---|
890 | * @param bool $endpoints Optional. Whether endpoints should be applied to the generated rewrite rules. |
---|
891 | * Default true. |
---|
892 | * @return array Rewrite rule list. |
---|
893 | */ |
---|
894 | public function generate_rewrite_rules($permalink_structure, $ep_mask = EP_NONE, $paged = true, $feed = true, $forcomments = false, $walk_dirs = true, $endpoints = true) { |
---|
895 | // Build a regex to match the feed section of URLs, something like (feed|atom|rss|rss2)/? |
---|
896 | $feedregex2 = ''; |
---|
897 | foreach ( (array) $this->feeds as $feed_name) |
---|
898 | $feedregex2 .= $feed_name . '|'; |
---|
899 | $feedregex2 = '(' . trim($feedregex2, '|') . ')/?$'; |
---|
900 | |
---|
901 | /* |
---|
902 | * $feedregex is identical but with /feed/ added on as well, so URLs like <permalink>/feed/atom |
---|
903 | * and <permalink>/atom are both possible |
---|
904 | */ |
---|
905 | $feedregex = $this->feed_base . '/' . $feedregex2; |
---|
906 | |
---|
907 | // Build a regex to match the trackback and page/xx parts of URLs. |
---|
908 | $trackbackregex = 'trackback/?$'; |
---|
909 | $pageregex = $this->pagination_base . '/?([0-9]{1,})/?$'; |
---|
910 | $commentregex = $this->comments_pagination_base . '-([0-9]{1,})/?$'; |
---|
911 | $embedregex = 'embed/?$'; |
---|
912 | |
---|
913 | // Build up an array of endpoint regexes to append => queries to append. |
---|
914 | if ( $endpoints ) { |
---|
915 | $ep_query_append = array (); |
---|
916 | foreach ( (array) $this->endpoints as $endpoint) { |
---|
917 | // Match everything after the endpoint name, but allow for nothing to appear there. |
---|
918 | $epmatch = $endpoint[1] . '(/(.*))?/?$'; |
---|
919 | |
---|
920 | // This will be appended on to the rest of the query for each dir. |
---|
921 | $epquery = '&' . $endpoint[2] . '='; |
---|
922 | $ep_query_append[$epmatch] = array ( $endpoint[0], $epquery ); |
---|
923 | } |
---|
924 | } |
---|
925 | |
---|
926 | // Get everything up to the first rewrite tag. |
---|
927 | $front = substr($permalink_structure, 0, strpos($permalink_structure, '%')); |
---|
928 | |
---|
929 | // Build an array of the tags (note that said array ends up being in $tokens[0]). |
---|
930 | preg_match_all('/%.+?%/', $permalink_structure, $tokens); |
---|
931 | |
---|
932 | $num_tokens = count($tokens[0]); |
---|
933 | |
---|
934 | $index = $this->index; //probably 'index.php' |
---|
935 | $feedindex = $index; |
---|
936 | $trackbackindex = $index; |
---|
937 | $embedindex = $index; |
---|
938 | |
---|
939 | /* |
---|
940 | * Build a list from the rewritecode and queryreplace arrays, that will look something |
---|
941 | * like tagname=$matches[i] where i is the current $i. |
---|
942 | */ |
---|
943 | $queries = array(); |
---|
944 | for ( $i = 0; $i < $num_tokens; ++$i ) { |
---|
945 | if ( 0 < $i ) |
---|
946 | $queries[$i] = $queries[$i - 1] . '&'; |
---|
947 | else |
---|
948 | $queries[$i] = ''; |
---|
949 | |
---|
950 | $query_token = str_replace($this->rewritecode, $this->queryreplace, $tokens[0][$i]) . $this->preg_index($i+1); |
---|
951 | $queries[$i] .= $query_token; |
---|
952 | } |
---|
953 | |
---|
954 | // Get the structure, minus any cruft (stuff that isn't tags) at the front. |
---|
955 | $structure = $permalink_structure; |
---|
956 | if ( $front != '/' ) |
---|
957 | $structure = str_replace($front, '', $structure); |
---|
958 | |
---|
959 | /* |
---|
960 | * Create a list of dirs to walk over, making rewrite rules for each level |
---|
961 | * so for example, a $structure of /%year%/%monthnum%/%postname% would create |
---|
962 | * rewrite rules for /%year%/, /%year%/%monthnum%/ and /%year%/%monthnum%/%postname% |
---|
963 | */ |
---|
964 | $structure = trim($structure, '/'); |
---|
965 | $dirs = $walk_dirs ? explode('/', $structure) : array( $structure ); |
---|
966 | $num_dirs = count($dirs); |
---|
967 | |
---|
968 | // Strip slashes from the front of $front. |
---|
969 | $front = preg_replace('|^/+|', '', $front); |
---|
970 | |
---|
971 | // The main workhorse loop. |
---|
972 | $post_rewrite = array(); |
---|
973 | $struct = $front; |
---|
974 | for ( $j = 0; $j < $num_dirs; ++$j ) { |
---|
975 | // Get the struct for this dir, and trim slashes off the front. |
---|
976 | $struct .= $dirs[$j] . '/'; // Accumulate. see comment near explode('/', $structure) above. |
---|
977 | $struct = ltrim($struct, '/'); |
---|
978 | |
---|
979 | // Replace tags with regexes. |
---|
980 | $match = str_replace($this->rewritecode, $this->rewritereplace, $struct); |
---|
981 | |
---|
982 | // Make a list of tags, and store how many there are in $num_toks. |
---|
983 | $num_toks = preg_match_all('/%.+?%/', $struct, $toks); |
---|
984 | |
---|
985 | // Get the 'tagname=$matches[i]'. |
---|
986 | $query = ( ! empty( $num_toks ) && isset( $queries[$num_toks - 1] ) ) ? $queries[$num_toks - 1] : ''; |
---|
987 | |
---|
988 | // Set up $ep_mask_specific which is used to match more specific URL types. |
---|
989 | switch ( $dirs[$j] ) { |
---|
990 | case '%year%': |
---|
991 | $ep_mask_specific = EP_YEAR; |
---|
992 | break; |
---|
993 | case '%monthnum%': |
---|
994 | $ep_mask_specific = EP_MONTH; |
---|
995 | break; |
---|
996 | case '%day%': |
---|
997 | $ep_mask_specific = EP_DAY; |
---|
998 | break; |
---|
999 | default: |
---|
1000 | $ep_mask_specific = EP_NONE; |
---|
1001 | } |
---|
1002 | |
---|
1003 | // Create query for /page/xx. |
---|
1004 | $pagematch = $match . $pageregex; |
---|
1005 | $pagequery = $index . '?' . $query . '&paged=' . $this->preg_index($num_toks + 1); |
---|
1006 | |
---|
1007 | // Create query for /comment-page-xx. |
---|
1008 | $commentmatch = $match . $commentregex; |
---|
1009 | $commentquery = $index . '?' . $query . '&cpage=' . $this->preg_index($num_toks + 1); |
---|
1010 | |
---|
1011 | if ( get_option('page_on_front') ) { |
---|
1012 | // Create query for Root /comment-page-xx. |
---|
1013 | $rootcommentmatch = $match . $commentregex; |
---|
1014 | $rootcommentquery = $index . '?' . $query . '&page_id=' . get_option('page_on_front') . '&cpage=' . $this->preg_index($num_toks + 1); |
---|
1015 | } |
---|
1016 | |
---|
1017 | // Create query for /feed/(feed|atom|rss|rss2|rdf). |
---|
1018 | $feedmatch = $match . $feedregex; |
---|
1019 | $feedquery = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1); |
---|
1020 | |
---|
1021 | // Create query for /(feed|atom|rss|rss2|rdf) (see comment near creation of $feedregex). |
---|
1022 | $feedmatch2 = $match . $feedregex2; |
---|
1023 | $feedquery2 = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1); |
---|
1024 | |
---|
1025 | // Create query and regex for embeds. |
---|
1026 | $embedmatch = $match . $embedregex; |
---|
1027 | $embedquery = $embedindex . '?' . $query . '&embed=true'; |
---|
1028 | |
---|
1029 | // If asked to, turn the feed queries into comment feed ones. |
---|
1030 | if ( $forcomments ) { |
---|
1031 | $feedquery .= '&withcomments=1'; |
---|
1032 | $feedquery2 .= '&withcomments=1'; |
---|
1033 | } |
---|
1034 | |
---|
1035 | // Start creating the array of rewrites for this dir. |
---|
1036 | $rewrite = array(); |
---|
1037 | |
---|
1038 | // ...adding on /feed/ regexes => queries |
---|
1039 | if ( $feed ) { |
---|
1040 | $rewrite = array( $feedmatch => $feedquery, $feedmatch2 => $feedquery2, $embedmatch => $embedquery ); |
---|
1041 | } |
---|
1042 | |
---|
1043 | //...and /page/xx ones |
---|
1044 | if ( $paged ) { |
---|
1045 | $rewrite = array_merge( $rewrite, array( $pagematch => $pagequery ) ); |
---|
1046 | } |
---|
1047 | |
---|
1048 | // Only on pages with comments add ../comment-page-xx/. |
---|
1049 | if ( EP_PAGES & $ep_mask || EP_PERMALINK & $ep_mask ) { |
---|
1050 | $rewrite = array_merge($rewrite, array($commentmatch => $commentquery)); |
---|
1051 | } elseif ( EP_ROOT & $ep_mask && get_option('page_on_front') ) { |
---|
1052 | $rewrite = array_merge($rewrite, array($rootcommentmatch => $rootcommentquery)); |
---|
1053 | } |
---|
1054 | |
---|
1055 | // Do endpoints. |
---|
1056 | if ( $endpoints ) { |
---|
1057 | foreach ( (array) $ep_query_append as $regex => $ep) { |
---|
1058 | // Add the endpoints on if the mask fits. |
---|
1059 | if ( $ep[0] & $ep_mask || $ep[0] & $ep_mask_specific ) |
---|
1060 | $rewrite[$match . $regex] = $index . '?' . $query . $ep[1] . $this->preg_index($num_toks + 2); |
---|
1061 | } |
---|
1062 | } |
---|
1063 | |
---|
1064 | // If we've got some tags in this dir. |
---|
1065 | if ( $num_toks ) { |
---|
1066 | $post = false; |
---|
1067 | $page = false; |
---|
1068 | |
---|
1069 | /* |
---|
1070 | * Check to see if this dir is permalink-level: i.e. the structure specifies an |
---|
1071 | * individual post. Do this by checking it contains at least one of 1) post name, |
---|
1072 | * 2) post ID, 3) page name, 4) timestamp (year, month, day, hour, second and |
---|
1073 | * minute all present). Set these flags now as we need them for the endpoints. |
---|
1074 | */ |
---|
1075 | if ( strpos($struct, '%postname%') !== false |
---|
1076 | || strpos($struct, '%post_id%') !== false |
---|
1077 | || strpos($struct, '%pagename%') !== false |
---|
1078 | || (strpos($struct, '%year%') !== false && strpos($struct, '%monthnum%') !== false && strpos($struct, '%day%') !== false && strpos($struct, '%hour%') !== false && strpos($struct, '%minute%') !== false && strpos($struct, '%second%') !== false) |
---|
1079 | ) { |
---|
1080 | $post = true; |
---|
1081 | if ( strpos($struct, '%pagename%') !== false ) |
---|
1082 | $page = true; |
---|
1083 | } |
---|
1084 | |
---|
1085 | if ( ! $post ) { |
---|
1086 | // For custom post types, we need to add on endpoints as well. |
---|
1087 | foreach ( get_post_types( array('_builtin' => false ) ) as $ptype ) { |
---|
1088 | if ( strpos($struct, "%$ptype%") !== false ) { |
---|
1089 | $post = true; |
---|
1090 | |
---|
1091 | // This is for page style attachment URLs. |
---|
1092 | $page = is_post_type_hierarchical( $ptype ); |
---|
1093 | break; |
---|
1094 | } |
---|
1095 | } |
---|
1096 | } |
---|
1097 | |
---|
1098 | // If creating rules for a permalink, do all the endpoints like attachments etc. |
---|
1099 | if ( $post ) { |
---|
1100 | // Create query and regex for trackback. |
---|
1101 | $trackbackmatch = $match . $trackbackregex; |
---|
1102 | $trackbackquery = $trackbackindex . '?' . $query . '&tb=1'; |
---|
1103 | |
---|
1104 | // Create query and regex for embeds. |
---|
1105 | $embedmatch = $match . $embedregex; |
---|
1106 | $embedquery = $embedindex . '?' . $query . '&embed=true'; |
---|
1107 | |
---|
1108 | // Trim slashes from the end of the regex for this dir. |
---|
1109 | $match = rtrim($match, '/'); |
---|
1110 | |
---|
1111 | // Get rid of brackets. |
---|
1112 | $submatchbase = str_replace( array('(', ')'), '', $match); |
---|
1113 | |
---|
1114 | // Add a rule for at attachments, which take the form of <permalink>/some-text. |
---|
1115 | $sub1 = $submatchbase . '/([^/]+)/'; |
---|
1116 | |
---|
1117 | // Add trackback regex <permalink>/trackback/... |
---|
1118 | $sub1tb = $sub1 . $trackbackregex; |
---|
1119 | |
---|
1120 | // And <permalink>/feed/(atom|...) |
---|
1121 | $sub1feed = $sub1 . $feedregex; |
---|
1122 | |
---|
1123 | // And <permalink>/(feed|atom...) |
---|
1124 | $sub1feed2 = $sub1 . $feedregex2; |
---|
1125 | |
---|
1126 | // And <permalink>/comment-page-xx |
---|
1127 | $sub1comment = $sub1 . $commentregex; |
---|
1128 | |
---|
1129 | // And <permalink>/embed/... |
---|
1130 | $sub1embed = $sub1 . $embedregex; |
---|
1131 | |
---|
1132 | /* |
---|
1133 | * Add another rule to match attachments in the explicit form: |
---|
1134 | * <permalink>/attachment/some-text |
---|
1135 | */ |
---|
1136 | $sub2 = $submatchbase . '/attachment/([^/]+)/'; |
---|
1137 | |
---|
1138 | // And add trackbacks <permalink>/attachment/trackback. |
---|
1139 | $sub2tb = $sub2 . $trackbackregex; |
---|
1140 | |
---|
1141 | // Feeds, <permalink>/attachment/feed/(atom|...) |
---|
1142 | $sub2feed = $sub2 . $feedregex; |
---|
1143 | |
---|
1144 | // And feeds again on to this <permalink>/attachment/(feed|atom...) |
---|
1145 | $sub2feed2 = $sub2 . $feedregex2; |
---|
1146 | |
---|
1147 | // And <permalink>/comment-page-xx |
---|
1148 | $sub2comment = $sub2 . $commentregex; |
---|
1149 | |
---|
1150 | // And <permalink>/embed/... |
---|
1151 | $sub2embed = $sub2 . $embedregex; |
---|
1152 | |
---|
1153 | // Create queries for these extra tag-ons we've just dealt with. |
---|
1154 | $subquery = $index . '?attachment=' . $this->preg_index(1); |
---|
1155 | $subtbquery = $subquery . '&tb=1'; |
---|
1156 | $subfeedquery = $subquery . '&feed=' . $this->preg_index(2); |
---|
1157 | $subcommentquery = $subquery . '&cpage=' . $this->preg_index(2); |
---|
1158 | $subembedquery = $subquery . '&embed=true'; |
---|
1159 | |
---|
1160 | // Do endpoints for attachments. |
---|
1161 | if ( !empty($endpoints) ) { |
---|
1162 | foreach ( (array) $ep_query_append as $regex => $ep ) { |
---|
1163 | if ( $ep[0] & EP_ATTACHMENT ) { |
---|
1164 | $rewrite[$sub1 . $regex] = $subquery . $ep[1] . $this->preg_index(3); |
---|
1165 | $rewrite[$sub2 . $regex] = $subquery . $ep[1] . $this->preg_index(3); |
---|
1166 | } |
---|
1167 | } |
---|
1168 | } |
---|
1169 | |
---|
1170 | /* |
---|
1171 | * Now we've finished with endpoints, finish off the $sub1 and $sub2 matches |
---|
1172 | * add a ? as we don't have to match that last slash, and finally a $ so we |
---|
1173 | * match to the end of the URL |
---|
1174 | */ |
---|
1175 | $sub1 .= '?$'; |
---|
1176 | $sub2 .= '?$'; |
---|
1177 | |
---|
1178 | /* |
---|
1179 | * Post pagination, e.g. <permalink>/2/ |
---|
1180 | * Previously: '(/[0-9]+)?/?$', which produced '/2' for page. |
---|
1181 | * When cast to int, returned 0. |
---|
1182 | */ |
---|
1183 | $match = $match . '(?:/([0-9]+))?/?$'; |
---|
1184 | $query = $index . '?' . $query . '&page=' . $this->preg_index($num_toks + 1); |
---|
1185 | |
---|
1186 | // Not matching a permalink so this is a lot simpler. |
---|
1187 | } else { |
---|
1188 | // Close the match and finalise the query. |
---|
1189 | $match .= '?$'; |
---|
1190 | $query = $index . '?' . $query; |
---|
1191 | } |
---|
1192 | |
---|
1193 | /* |
---|
1194 | * Create the final array for this dir by joining the $rewrite array (which currently |
---|
1195 | * only contains rules/queries for trackback, pages etc) to the main regex/query for |
---|
1196 | * this dir |
---|
1197 | */ |
---|
1198 | $rewrite = array_merge($rewrite, array($match => $query)); |
---|
1199 | |
---|
1200 | // If we're matching a permalink, add those extras (attachments etc) on. |
---|
1201 | if ( $post ) { |
---|
1202 | // Add trackback. |
---|
1203 | $rewrite = array_merge(array($trackbackmatch => $trackbackquery), $rewrite); |
---|
1204 | |
---|
1205 | // Add embed. |
---|
1206 | $rewrite = array_merge( array( $embedmatch => $embedquery ), $rewrite ); |
---|
1207 | |
---|
1208 | // Add regexes/queries for attachments, attachment trackbacks and so on. |
---|
1209 | if ( ! $page ) { |
---|
1210 | // Require <permalink>/attachment/stuff form for pages because of confusion with subpages. |
---|
1211 | $rewrite = array_merge( $rewrite, array( |
---|
1212 | $sub1 => $subquery, |
---|
1213 | $sub1tb => $subtbquery, |
---|
1214 | $sub1feed => $subfeedquery, |
---|
1215 | $sub1feed2 => $subfeedquery, |
---|
1216 | $sub1comment => $subcommentquery, |
---|
1217 | $sub1embed => $subembedquery |
---|
1218 | ) ); |
---|
1219 | } |
---|
1220 | |
---|
1221 | $rewrite = array_merge( array( $sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery, $sub2comment => $subcommentquery, $sub2embed => $subembedquery ), $rewrite ); |
---|
1222 | } |
---|
1223 | } |
---|
1224 | // Add the rules for this dir to the accumulating $post_rewrite. |
---|
1225 | $post_rewrite = array_merge($rewrite, $post_rewrite); |
---|
1226 | } |
---|
1227 | |
---|
1228 | // The finished rules. phew! |
---|
1229 | return $post_rewrite; |
---|
1230 | } |
---|
1231 | |
---|
1232 | /** |
---|
1233 | * Generates rewrite rules with permalink structure and walking directory only. |
---|
1234 | * |
---|
1235 | * Shorten version of WP_Rewrite::generate_rewrite_rules() that allows for shorter |
---|
1236 | * list of parameters. See the method for longer description of what generating |
---|
1237 | * rewrite rules does. |
---|
1238 | * |
---|
1239 | * @since 1.5.0 |
---|
1240 | * @access public |
---|
1241 | * |
---|
1242 | * @see WP_Rewrite::generate_rewrite_rules() See for long description and rest of parameters. |
---|
1243 | * |
---|
1244 | * @param string $permalink_structure The permalink structure to generate rules. |
---|
1245 | * @param bool $walk_dirs Optional, default is false. Whether to create list of directories to walk over. |
---|
1246 | * @return array |
---|
1247 | */ |
---|
1248 | public function generate_rewrite_rule($permalink_structure, $walk_dirs = false) { |
---|
1249 | return $this->generate_rewrite_rules($permalink_structure, EP_NONE, false, false, false, $walk_dirs); |
---|
1250 | } |
---|
1251 | |
---|
1252 | /** |
---|
1253 | * Constructs rewrite matches and queries from permalink structure. |
---|
1254 | * |
---|
1255 | * Runs the action {@see 'generate_rewrite_rules'} with the parameter that is an |
---|
1256 | * reference to the current WP_Rewrite instance to further manipulate the |
---|
1257 | * permalink structures and rewrite rules. Runs the {@see 'rewrite_rules_array'} |
---|
1258 | * filter on the full rewrite rule array. |
---|
1259 | * |
---|
1260 | * There are two ways to manipulate the rewrite rules, one by hooking into |
---|
1261 | * the {@see 'generate_rewrite_rules'} action and gaining full control of the |
---|
1262 | * object or just manipulating the rewrite rule array before it is passed |
---|
1263 | * from the function. |
---|
1264 | * |
---|
1265 | * @since 1.5.0 |
---|
1266 | * @access public |
---|
1267 | * |
---|
1268 | * @return array An associate array of matches and queries. |
---|
1269 | */ |
---|
1270 | public function rewrite_rules() { |
---|
1271 | $rewrite = array(); |
---|
1272 | |
---|
1273 | if ( empty($this->permalink_structure) ) |
---|
1274 | return $rewrite; |
---|
1275 | |
---|
1276 | // robots.txt -only if installed at the root |
---|
1277 | $home_path = parse_url( home_url() ); |
---|
1278 | $robots_rewrite = ( empty( $home_path['path'] ) || '/' == $home_path['path'] ) ? array( 'robots\.txt$' => $this->index . '?robots=1' ) : array(); |
---|
1279 | |
---|
1280 | // Old feed and service files. |
---|
1281 | $deprecated_files = array( |
---|
1282 | '.*wp-(atom|rdf|rss|rss2|feed|commentsrss2)\.php$' => $this->index . '?feed=old', |
---|
1283 | '.*wp-app\.php(/.*)?$' => $this->index . '?error=403', |
---|
1284 | ); |
---|
1285 | |
---|
1286 | // Registration rules. |
---|
1287 | $registration_pages = array(); |
---|
1288 | if ( is_multisite() && is_main_site() ) { |
---|
1289 | $registration_pages['.*wp-signup.php$'] = $this->index . '?signup=true'; |
---|
1290 | $registration_pages['.*wp-activate.php$'] = $this->index . '?activate=true'; |
---|
1291 | } |
---|
1292 | |
---|
1293 | // Deprecated. |
---|
1294 | $registration_pages['.*wp-register.php$'] = $this->index . '?register=true'; |
---|
1295 | |
---|
1296 | // Post rewrite rules. |
---|
1297 | $post_rewrite = $this->generate_rewrite_rules( $this->permalink_structure, EP_PERMALINK ); |
---|
1298 | |
---|
1299 | /** |
---|
1300 | * Filters rewrite rules used for "post" archives. |
---|
1301 | * |
---|
1302 | * @since 1.5.0 |
---|
1303 | * |
---|
1304 | * @param array $post_rewrite The rewrite rules for posts. |
---|
1305 | */ |
---|
1306 | $post_rewrite = apply_filters( 'post_rewrite_rules', $post_rewrite ); |
---|
1307 | |
---|
1308 | // Date rewrite rules. |
---|
1309 | $date_rewrite = $this->generate_rewrite_rules($this->get_date_permastruct(), EP_DATE); |
---|
1310 | |
---|
1311 | /** |
---|
1312 | * Filters rewrite rules used for date archives. |
---|
1313 | * |
---|
1314 | * Likely date archives would include /yyyy/, /yyyy/mm/, and /yyyy/mm/dd/. |
---|
1315 | * |
---|
1316 | * @since 1.5.0 |
---|
1317 | * |
---|
1318 | * @param array $date_rewrite The rewrite rules for date archives. |
---|
1319 | */ |
---|
1320 | $date_rewrite = apply_filters( 'date_rewrite_rules', $date_rewrite ); |
---|
1321 | |
---|
1322 | // Root-level rewrite rules. |
---|
1323 | $root_rewrite = $this->generate_rewrite_rules($this->root . '/', EP_ROOT); |
---|
1324 | |
---|
1325 | /** |
---|
1326 | * Filters rewrite rules used for root-level archives. |
---|
1327 | * |
---|
1328 | * Likely root-level archives would include pagination rules for the homepage |
---|
1329 | * as well as site-wide post feeds (e.g. /feed/, and /feed/atom/). |
---|
1330 | * |
---|
1331 | * @since 1.5.0 |
---|
1332 | * |
---|
1333 | * @param array $root_rewrite The root-level rewrite rules. |
---|
1334 | */ |
---|
1335 | $root_rewrite = apply_filters( 'root_rewrite_rules', $root_rewrite ); |
---|
1336 | |
---|
1337 | // Comments rewrite rules. |
---|
1338 | $comments_rewrite = $this->generate_rewrite_rules($this->root . $this->comments_base, EP_COMMENTS, false, true, true, false); |
---|
1339 | |
---|
1340 | /** |
---|
1341 | * Filters rewrite rules used for comment feed archives. |
---|
1342 | * |
---|
1343 | * Likely comments feed archives include /comments/feed/, and /comments/feed/atom/. |
---|
1344 | * |
---|
1345 | * @since 1.5.0 |
---|
1346 | * |
---|
1347 | * @param array $comments_rewrite The rewrite rules for the site-wide comments feeds. |
---|
1348 | */ |
---|
1349 | $comments_rewrite = apply_filters( 'comments_rewrite_rules', $comments_rewrite ); |
---|
1350 | |
---|
1351 | // Search rewrite rules. |
---|
1352 | $search_structure = $this->get_search_permastruct(); |
---|
1353 | $search_rewrite = $this->generate_rewrite_rules($search_structure, EP_SEARCH); |
---|
1354 | |
---|
1355 | /** |
---|
1356 | * Filters rewrite rules used for search archives. |
---|
1357 | * |
---|
1358 | * Likely search-related archives include /search/search+query/ as well as |
---|
1359 | * pagination and feed paths for a search. |
---|
1360 | * |
---|
1361 | * @since 1.5.0 |
---|
1362 | * |
---|
1363 | * @param array $search_rewrite The rewrite rules for search queries. |
---|
1364 | */ |
---|
1365 | $search_rewrite = apply_filters( 'search_rewrite_rules', $search_rewrite ); |
---|
1366 | |
---|
1367 | // Author rewrite rules. |
---|
1368 | $author_rewrite = $this->generate_rewrite_rules($this->get_author_permastruct(), EP_AUTHORS); |
---|
1369 | |
---|
1370 | /** |
---|
1371 | * Filters rewrite rules used for author archives. |
---|
1372 | * |
---|
1373 | * Likely author archives would include /author/author-name/, as well as |
---|
1374 | * pagination and feed paths for author archives. |
---|
1375 | * |
---|
1376 | * @since 1.5.0 |
---|
1377 | * |
---|
1378 | * @param array $author_rewrite The rewrite rules for author archives. |
---|
1379 | */ |
---|
1380 | $author_rewrite = apply_filters( 'author_rewrite_rules', $author_rewrite ); |
---|
1381 | |
---|
1382 | // Pages rewrite rules. |
---|
1383 | $page_rewrite = $this->page_rewrite_rules(); |
---|
1384 | |
---|
1385 | /** |
---|
1386 | * Filters rewrite rules used for "page" post type archives. |
---|
1387 | * |
---|
1388 | * @since 1.5.0 |
---|
1389 | * |
---|
1390 | * @param array $page_rewrite The rewrite rules for the "page" post type. |
---|
1391 | */ |
---|
1392 | $page_rewrite = apply_filters( 'page_rewrite_rules', $page_rewrite ); |
---|
1393 | |
---|
1394 | // Extra permastructs. |
---|
1395 | foreach ( $this->extra_permastructs as $permastructname => $struct ) { |
---|
1396 | if ( is_array( $struct ) ) { |
---|
1397 | if ( count( $struct ) == 2 ) |
---|
1398 | $rules = $this->generate_rewrite_rules( $struct[0], $struct[1] ); |
---|
1399 | else |
---|
1400 | $rules = $this->generate_rewrite_rules( $struct['struct'], $struct['ep_mask'], $struct['paged'], $struct['feed'], $struct['forcomments'], $struct['walk_dirs'], $struct['endpoints'] ); |
---|
1401 | } else { |
---|
1402 | $rules = $this->generate_rewrite_rules( $struct ); |
---|
1403 | } |
---|
1404 | |
---|
1405 | /** |
---|
1406 | * Filters rewrite rules used for individual permastructs. |
---|
1407 | * |
---|
1408 | * The dynamic portion of the hook name, `$permastructname`, refers |
---|
1409 | * to the name of the registered permastruct, e.g. 'post_tag' (tags), |
---|
1410 | * 'category' (categories), etc. |
---|
1411 | * |
---|
1412 | * @since 3.1.0 |
---|
1413 | * |
---|
1414 | * @param array $rules The rewrite rules generated for the current permastruct. |
---|
1415 | */ |
---|
1416 | $rules = apply_filters( $permastructname . '_rewrite_rules', $rules ); |
---|
1417 | if ( 'post_tag' == $permastructname ) { |
---|
1418 | |
---|
1419 | /** |
---|
1420 | * Filters rewrite rules used specifically for Tags. |
---|
1421 | * |
---|
1422 | * @since 2.3.0 |
---|
1423 | * @deprecated 3.1.0 Use 'post_tag_rewrite_rules' instead |
---|
1424 | * |
---|
1425 | * @param array $rules The rewrite rules generated for tags. |
---|
1426 | */ |
---|
1427 | $rules = apply_filters( 'tag_rewrite_rules', $rules ); |
---|
1428 | } |
---|
1429 | |
---|
1430 | $this->extra_rules_top = array_merge($this->extra_rules_top, $rules); |
---|
1431 | } |
---|
1432 | |
---|
1433 | // Put them together. |
---|
1434 | if ( $this->use_verbose_page_rules ) |
---|
1435 | $this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite, $author_rewrite, $date_rewrite, $page_rewrite, $post_rewrite, $this->extra_rules); |
---|
1436 | else |
---|
1437 | $this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $deprecated_files, $registration_pages, $root_rewrite, $comments_rewrite, $search_rewrite, $author_rewrite, $date_rewrite, $post_rewrite, $page_rewrite, $this->extra_rules); |
---|
1438 | |
---|
1439 | /** |
---|
1440 | * Fires after the rewrite rules are generated. |
---|
1441 | * |
---|
1442 | * @since 1.5.0 |
---|
1443 | * |
---|
1444 | * @param WP_Rewrite $this Current WP_Rewrite instance, passed by reference. |
---|
1445 | */ |
---|
1446 | do_action_ref_array( 'generate_rewrite_rules', array( &$this ) ); |
---|
1447 | |
---|
1448 | /** |
---|
1449 | * Filters the full set of generated rewrite rules. |
---|
1450 | * |
---|
1451 | * @since 1.5.0 |
---|
1452 | * |
---|
1453 | * @param array $this->rules The compiled array of rewrite rules. |
---|
1454 | */ |
---|
1455 | $this->rules = apply_filters( 'rewrite_rules_array', $this->rules ); |
---|
1456 | |
---|
1457 | return $this->rules; |
---|
1458 | } |
---|
1459 | |
---|
1460 | /** |
---|
1461 | * Retrieves the rewrite rules. |
---|
1462 | * |
---|
1463 | * The difference between this method and WP_Rewrite::rewrite_rules() is that |
---|
1464 | * this method stores the rewrite rules in the 'rewrite_rules' option and retrieves |
---|
1465 | * it. This prevents having to process all of the permalinks to get the rewrite rules |
---|
1466 | * in the form of caching. |
---|
1467 | * |
---|
1468 | * @since 1.5.0 |
---|
1469 | * @access public |
---|
1470 | * |
---|
1471 | * @return array Rewrite rules. |
---|
1472 | */ |
---|
1473 | public function wp_rewrite_rules( $flushed = false ) { |
---|
1474 | $this->rules = get_option('rewrite_rules'); |
---|
1475 | if ( $flushed === true ) { |
---|
1476 | $this->matches = 'matches'; |
---|
1477 | $this->rewrite_rules(); |
---|
1478 | update_option('rewrite_rules', $this->rules); |
---|
1479 | } |
---|
1480 | |
---|
1481 | return $this->rules; |
---|
1482 | } |
---|
1483 | |
---|
1484 | /** |
---|
1485 | * Retrieves mod_rewrite-formatted rewrite rules to write to .htaccess. |
---|
1486 | * |
---|
1487 | * Does not actually write to the .htaccess file, but creates the rules for |
---|
1488 | * the process that will. |
---|
1489 | * |
---|
1490 | * Will add the non_wp_rules property rules to the .htaccess file before |
---|
1491 | * the WordPress rewrite rules one. |
---|
1492 | * |
---|
1493 | * @since 1.5.0 |
---|
1494 | * @access public |
---|
1495 | * |
---|
1496 | * @return string |
---|
1497 | */ |
---|
1498 | public function mod_rewrite_rules() { |
---|
1499 | if ( ! $this->using_permalinks() ) |
---|
1500 | return ''; |
---|
1501 | |
---|
1502 | $site_root = parse_url( site_url() ); |
---|
1503 | if ( isset( $site_root['path'] ) ) |
---|
1504 | $site_root = trailingslashit($site_root['path']); |
---|
1505 | |
---|
1506 | $home_root = parse_url(home_url()); |
---|
1507 | if ( isset( $home_root['path'] ) ) |
---|
1508 | $home_root = trailingslashit($home_root['path']); |
---|
1509 | else |
---|
1510 | $home_root = '/'; |
---|
1511 | |
---|
1512 | $rules = "<IfModule mod_rewrite.c>\n"; |
---|
1513 | $rules .= "RewriteEngine On\n"; |
---|
1514 | $rules .= "RewriteBase $home_root\n"; |
---|
1515 | |
---|
1516 | // Prevent -f checks on index.php. |
---|
1517 | $rules .= "RewriteRule ^index\.php$ - [L]\n"; |
---|
1518 | |
---|
1519 | // Add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all). |
---|
1520 | foreach ( (array) $this->non_wp_rules as $match => $query) { |
---|
1521 | // Apache 1.3 does not support the reluctant (non-greedy) modifier. |
---|
1522 | $match = str_replace('.+?', '.+', $match); |
---|
1523 | |
---|
1524 | $rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n"; |
---|
1525 | } |
---|
1526 | |
---|
1527 | if ( $this->use_verbose_rules ) { |
---|
1528 | $this->matches = ''; |
---|
1529 | $rewrite = $this->rewrite_rules(); |
---|
1530 | $num_rules = count($rewrite); |
---|
1531 | $rules .= "RewriteCond %{REQUEST_FILENAME} -f [OR]\n" . |
---|
1532 | "RewriteCond %{REQUEST_FILENAME} -d\n" . |
---|
1533 | "RewriteRule ^.*$ - [S=$num_rules]\n"; |
---|
1534 | |
---|
1535 | foreach ( (array) $rewrite as $match => $query) { |
---|
1536 | // Apache 1.3 does not support the reluctant (non-greedy) modifier. |
---|
1537 | $match = str_replace('.+?', '.+', $match); |
---|
1538 | |
---|
1539 | if ( strpos($query, $this->index) !== false ) |
---|
1540 | $rules .= 'RewriteRule ^' . $match . ' ' . $home_root . $query . " [QSA,L]\n"; |
---|
1541 | else |
---|
1542 | $rules .= 'RewriteRule ^' . $match . ' ' . $site_root . $query . " [QSA,L]\n"; |
---|
1543 | } |
---|
1544 | } else { |
---|
1545 | $rules .= "RewriteCond %{REQUEST_FILENAME} !-f\n" . |
---|
1546 | "RewriteCond %{REQUEST_FILENAME} !-d\n" . |
---|
1547 | "RewriteRule . {$home_root}{$this->index} [L]\n"; |
---|
1548 | } |
---|
1549 | |
---|
1550 | $rules .= "</IfModule>\n"; |
---|
1551 | |
---|
1552 | /** |
---|
1553 | * Filters the list of rewrite rules formatted for output to an .htaccess file. |
---|
1554 | * |
---|
1555 | * @since 1.5.0 |
---|
1556 | * |
---|
1557 | * @param string $rules mod_rewrite Rewrite rules formatted for .htaccess. |
---|
1558 | */ |
---|
1559 | $rules = apply_filters( 'mod_rewrite_rules', $rules ); |
---|
1560 | |
---|
1561 | /** |
---|
1562 | * Filters the list of rewrite rules formatted for output to an .htaccess file. |
---|
1563 | * |
---|
1564 | * @since 1.5.0 |
---|
1565 | * @deprecated 1.5.0 Use the mod_rewrite_rules filter instead. |
---|
1566 | * |
---|
1567 | * @param string $rules mod_rewrite Rewrite rules formatted for .htaccess. |
---|
1568 | */ |
---|
1569 | return apply_filters( 'rewrite_rules', $rules ); |
---|
1570 | } |
---|
1571 | |
---|
1572 | /** |
---|
1573 | * Retrieves IIS7 URL Rewrite formatted rewrite rules to write to web.config file. |
---|
1574 | * |
---|
1575 | * Does not actually write to the web.config file, but creates the rules for |
---|
1576 | * the process that will. |
---|
1577 | * |
---|
1578 | * @since 2.8.0 |
---|
1579 | * @access public |
---|
1580 | * |
---|
1581 | * @param bool $add_parent_tags Optional. Whether to add parent tags to the rewrite rule sets. |
---|
1582 | * Default false. |
---|
1583 | * @return string IIS7 URL rewrite rule sets. |
---|
1584 | */ |
---|
1585 | public function iis7_url_rewrite_rules( $add_parent_tags = false ) { |
---|
1586 | if ( ! $this->using_permalinks() ) |
---|
1587 | return ''; |
---|
1588 | $rules = ''; |
---|
1589 | if ( $add_parent_tags ) { |
---|
1590 | $rules .= '<configuration> |
---|
1591 | <system.webServer> |
---|
1592 | <rewrite> |
---|
1593 | <rules>'; |
---|
1594 | } |
---|
1595 | |
---|
1596 | $rules .= ' |
---|
1597 | <rule name="WordPress: ' . esc_attr( home_url() ) . '" patternSyntax="Wildcard"> |
---|
1598 | <match url="*" /> |
---|
1599 | <conditions> |
---|
1600 | <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" /> |
---|
1601 | <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" /> |
---|
1602 | </conditions> |
---|
1603 | <action type="Rewrite" url="index.php" /> |
---|
1604 | </rule>'; |
---|
1605 | |
---|
1606 | if ( $add_parent_tags ) { |
---|
1607 | $rules .= ' |
---|
1608 | </rules> |
---|
1609 | </rewrite> |
---|
1610 | </system.webServer> |
---|
1611 | </configuration>'; |
---|
1612 | } |
---|
1613 | |
---|
1614 | /** |
---|
1615 | * Filters the list of rewrite rules formatted for output to a web.config. |
---|
1616 | * |
---|
1617 | * @since 2.8.0 |
---|
1618 | * |
---|
1619 | * @param string $rules Rewrite rules formatted for IIS web.config. |
---|
1620 | */ |
---|
1621 | return apply_filters( 'iis7_url_rewrite_rules', $rules ); |
---|
1622 | } |
---|
1623 | |
---|
1624 | /** |
---|
1625 | * Adds a rewrite rule that transforms a URL structure to a set of query vars. |
---|
1626 | * |
---|
1627 | * Any value in the $after parameter that isn't 'bottom' will result in the rule |
---|
1628 | * being placed at the top of the rewrite rules. |
---|
1629 | * |
---|
1630 | * @since 2.1.0 |
---|
1631 | * @since 4.4.0 Array support was added to the `$query` parameter. |
---|
1632 | * @access public |
---|
1633 | * |
---|
1634 | * @param string $regex Regular expression to match request against. |
---|
1635 | * @param string|array $query The corresponding query vars for this rewrite rule. |
---|
1636 | * @param string $after Optional. Priority of the new rule. Accepts 'top' |
---|
1637 | * or 'bottom'. Default 'bottom'. |
---|
1638 | */ |
---|
1639 | public function add_rule( $regex, $query, $after = 'bottom' ) { |
---|
1640 | if ( is_array( $query ) ) { |
---|
1641 | $external = false; |
---|
1642 | $query = add_query_arg( $query, 'index.php' ); |
---|
1643 | } else { |
---|
1644 | $index = false === strpos( $query, '?' ) ? strlen( $query ) : strpos( $query, '?' ); |
---|
1645 | $front = substr( $query, 0, $index ); |
---|
1646 | |
---|
1647 | $external = $front != $this->index; |
---|
1648 | } |
---|
1649 | |
---|
1650 | // "external" = it doesn't correspond to index.php. |
---|
1651 | if ( $external ) { |
---|
1652 | $this->add_external_rule( $regex, $query ); |
---|
1653 | } else { |
---|
1654 | if ( 'bottom' == $after ) { |
---|
1655 | $this->extra_rules = array_merge( $this->extra_rules, array( $regex => $query ) ); |
---|
1656 | } else { |
---|
1657 | $this->extra_rules_top = array_merge( $this->extra_rules_top, array( $regex => $query ) ); |
---|
1658 | } |
---|
1659 | } |
---|
1660 | } |
---|
1661 | |
---|
1662 | /** |
---|
1663 | * Adds a rewrite rule that doesn't correspond to index.php. |
---|
1664 | * |
---|
1665 | * @since 2.1.0 |
---|
1666 | * @access public |
---|
1667 | * |
---|
1668 | * @param string $regex Regular expression to match request against. |
---|
1669 | * @param string $query The corresponding query vars for this rewrite rule. |
---|
1670 | */ |
---|
1671 | public function add_external_rule( $regex, $query ) { |
---|
1672 | $this->non_wp_rules[ $regex ] = $query; |
---|
1673 | } |
---|
1674 | |
---|
1675 | /** |
---|
1676 | * Adds an endpoint, like /trackback/. |
---|
1677 | * |
---|
1678 | * @since 2.1.0 |
---|
1679 | * @since 3.9.0 $query_var parameter added. |
---|
1680 | * @since 4.3.0 Added support for skipping query var registration by passing `false` to `$query_var`. |
---|
1681 | * @access public |
---|
1682 | * |
---|
1683 | * @see add_rewrite_endpoint() for full documentation. |
---|
1684 | * @global WP $wp |
---|
1685 | * |
---|
1686 | * @param string $name Name of the endpoint. |
---|
1687 | * @param int $places Endpoint mask describing the places the endpoint should be added. |
---|
1688 | * @param string|bool $query_var Optional. Name of the corresponding query variable. Pass `false` to |
---|
1689 | * skip registering a query_var for this endpoint. Defaults to the |
---|
1690 | * value of `$name`. |
---|
1691 | */ |
---|
1692 | public function add_endpoint( $name, $places, $query_var = true ) { |
---|
1693 | global $wp; |
---|
1694 | |
---|
1695 | // For backward compatibility, if null has explicitly been passed as `$query_var`, assume `true`. |
---|
1696 | if ( true === $query_var || null === func_get_arg( 2 ) ) { |
---|
1697 | $query_var = $name; |
---|
1698 | } |
---|
1699 | $this->endpoints[] = array( $places, $name, $query_var ); |
---|
1700 | |
---|
1701 | if ( $query_var ) { |
---|
1702 | $wp->add_query_var( $query_var ); |
---|
1703 | } |
---|
1704 | } |
---|
1705 | |
---|
1706 | /** |
---|
1707 | * Adds a new permalink structure. |
---|
1708 | * |
---|
1709 | * A permalink structure (permastruct) is an abstract definition of a set of rewrite rules; |
---|
1710 | * it is an easy way of expressing a set of regular expressions that rewrite to a set of |
---|
1711 | * query strings. The new permastruct is added to the WP_Rewrite::$extra_permastructs array. |
---|
1712 | * |
---|
1713 | * When the rewrite rules are built by WP_Rewrite::rewrite_rules(), all of these extra |
---|
1714 | * permastructs are passed to WP_Rewrite::generate_rewrite_rules() which transforms them |
---|
1715 | * into the regular expressions that many love to hate. |
---|
1716 | * |
---|
1717 | * The `$args` parameter gives you control over how WP_Rewrite::generate_rewrite_rules() |
---|
1718 | * works on the new permastruct. |
---|
1719 | * |
---|
1720 | * @since 2.5.0 |
---|
1721 | * @access public |
---|
1722 | * |
---|
1723 | * @param string $name Name for permalink structure. |
---|
1724 | * @param string $struct Permalink structure (e.g. category/%category%) |
---|
1725 | * @param array $args { |
---|
1726 | * Optional. Arguments for building rewrite rules based on the permalink structure. |
---|
1727 | * Default empty array. |
---|
1728 | * |
---|
1729 | * @type bool $with_front Whether the structure should be prepended with `WP_Rewrite::$front`. |
---|
1730 | * Default true. |
---|
1731 | * @type int $ep_mask The endpoint mask defining which endpoints are added to the structure. |
---|
1732 | * Accepts `EP_NONE`, `EP_PERMALINK`, `EP_ATTACHMENT`, `EP_DATE`, `EP_YEAR`, |
---|
1733 | * `EP_MONTH`, `EP_DAY`, `EP_ROOT`, `EP_COMMENTS`, `EP_SEARCH`, `EP_CATEGORIES`, |
---|
1734 | * `EP_TAGS`, `EP_AUTHORS`, `EP_PAGES`, `EP_ALL_ARCHIVES`, and `EP_ALL`. |
---|
1735 | * Default `EP_NONE`. |
---|
1736 | * @type bool $paged Whether archive pagination rules should be added for the structure. |
---|
1737 | * Default true. |
---|
1738 | * @type bool $feed Whether feed rewrite rules should be added for the structure. Default true. |
---|
1739 | * @type bool $forcomments Whether the feed rules should be a query for a comments feed. Default false. |
---|
1740 | * @type bool $walk_dirs Whether the 'directories' making up the structure should be walked over |
---|
1741 | * and rewrite rules built for each in-turn. Default true. |
---|
1742 | * @type bool $endpoints Whether endpoints should be applied to the generated rules. Default true. |
---|
1743 | * } |
---|
1744 | */ |
---|
1745 | public function add_permastruct( $name, $struct, $args = array() ) { |
---|
1746 | // Back-compat for the old parameters: $with_front and $ep_mask. |
---|
1747 | if ( ! is_array( $args ) ) |
---|
1748 | $args = array( 'with_front' => $args ); |
---|
1749 | if ( func_num_args() == 4 ) |
---|
1750 | $args['ep_mask'] = func_get_arg( 3 ); |
---|
1751 | |
---|
1752 | $defaults = array( |
---|
1753 | 'with_front' => true, |
---|
1754 | 'ep_mask' => EP_NONE, |
---|
1755 | 'paged' => true, |
---|
1756 | 'feed' => true, |
---|
1757 | 'forcomments' => false, |
---|
1758 | 'walk_dirs' => true, |
---|
1759 | 'endpoints' => true, |
---|
1760 | ); |
---|
1761 | $args = array_intersect_key( $args, $defaults ); |
---|
1762 | $args = wp_parse_args( $args, $defaults ); |
---|
1763 | |
---|
1764 | if ( $args['with_front'] ) |
---|
1765 | $struct = $this->front . $struct; |
---|
1766 | else |
---|
1767 | $struct = $this->root . $struct; |
---|
1768 | $args['struct'] = $struct; |
---|
1769 | |
---|
1770 | $this->extra_permastructs[ $name ] = $args; |
---|
1771 | } |
---|
1772 | |
---|
1773 | /** |
---|
1774 | * Removes a permalink structure. |
---|
1775 | * |
---|
1776 | * @since 4.5.0 |
---|
1777 | * @access public |
---|
1778 | * |
---|
1779 | * @param string $name Name for permalink structure. |
---|
1780 | */ |
---|
1781 | public function remove_permastruct( $name ) { |
---|
1782 | unset( $this->extra_permastructs[ $name ] ); |
---|
1783 | } |
---|
1784 | |
---|
1785 | /** |
---|
1786 | * Removes rewrite rules and then recreate rewrite rules. |
---|
1787 | * |
---|
1788 | * Calls WP_Rewrite::wp_rewrite_rules() after removing the 'rewrite_rules' option. |
---|
1789 | * If the function named 'save_mod_rewrite_rules' exists, it will be called. |
---|
1790 | * |
---|
1791 | * @since 2.0.1 |
---|
1792 | * @access public |
---|
1793 | * |
---|
1794 | * @staticvar bool $do_hard_later |
---|
1795 | * |
---|
1796 | * @param bool $hard Whether to update .htaccess (hard flush) or just update rewrite_rules option (soft flush). Default is true (hard). |
---|
1797 | */ |
---|
1798 | public function flush_rules( $hard = true ) { |
---|
1799 | static $do_hard_later = null; |
---|
1800 | |
---|
1801 | // Prevent this action from running before everyone has registered their rewrites. |
---|
1802 | if ( ! did_action( 'wp_loaded' ) ) { |
---|
1803 | add_action( 'wp_loaded', array( $this, 'flush_rules' ) ); |
---|
1804 | $do_hard_later = ( isset( $do_hard_later ) ) ? $do_hard_later || $hard : $hard; |
---|
1805 | return; |
---|
1806 | } |
---|
1807 | |
---|
1808 | if ( isset( $do_hard_later ) ) { |
---|
1809 | $hard = $do_hard_later; |
---|
1810 | unset( $do_hard_later ); |
---|
1811 | } |
---|
1812 | |
---|
1813 | //update_option( 'rewrite_rules', '' ); |
---|
1814 | $this->wp_rewrite_rules( true ); |
---|
1815 | |
---|
1816 | /** |
---|
1817 | * Filters whether a "hard" rewrite rule flush should be performed when requested. |
---|
1818 | * |
---|
1819 | * A "hard" flush updates .htaccess (Apache) or web.config (IIS). |
---|
1820 | * |
---|
1821 | * @since 3.7.0 |
---|
1822 | * |
---|
1823 | * @param bool $hard Whether to flush rewrite rules "hard". Default true. |
---|
1824 | */ |
---|
1825 | if ( ! $hard || ! apply_filters( 'flush_rewrite_rules_hard', true ) ) { |
---|
1826 | return; |
---|
1827 | } |
---|
1828 | if ( function_exists( 'save_mod_rewrite_rules' ) ) |
---|
1829 | save_mod_rewrite_rules(); |
---|
1830 | if ( function_exists( 'iis7_save_url_rewrite_rules' ) ) |
---|
1831 | iis7_save_url_rewrite_rules(); |
---|
1832 | } |
---|
1833 | |
---|
1834 | /** |
---|
1835 | * Sets up the object's properties. |
---|
1836 | * |
---|
1837 | * The 'use_verbose_page_rules' object property will be set to true if the |
---|
1838 | * permalink structure begins with one of the following: '%postname%', '%category%', |
---|
1839 | * '%tag%', or '%author%'. |
---|
1840 | * |
---|
1841 | * @since 1.5.0 |
---|
1842 | * @access public |
---|
1843 | */ |
---|
1844 | public function init() { |
---|
1845 | $this->extra_rules = $this->non_wp_rules = $this->endpoints = array(); |
---|
1846 | $this->permalink_structure = get_option('permalink_structure'); |
---|
1847 | $this->front = substr($this->permalink_structure, 0, strpos($this->permalink_structure, '%')); |
---|
1848 | $this->root = ''; |
---|
1849 | |
---|
1850 | if ( $this->using_index_permalinks() ) |
---|
1851 | $this->root = $this->index . '/'; |
---|
1852 | |
---|
1853 | unset($this->author_structure); |
---|
1854 | unset($this->date_structure); |
---|
1855 | unset($this->page_structure); |
---|
1856 | unset($this->search_structure); |
---|
1857 | unset($this->feed_structure); |
---|
1858 | unset($this->comment_feed_structure); |
---|
1859 | $this->use_trailing_slashes = ( '/' == substr($this->permalink_structure, -1, 1) ); |
---|
1860 | |
---|
1861 | // Enable generic rules for pages if permalink structure doesn't begin with a wildcard. |
---|
1862 | if ( preg_match("/^[^%]*%(?:postname|category|tag|author)%/", $this->permalink_structure) ) |
---|
1863 | $this->use_verbose_page_rules = true; |
---|
1864 | else |
---|
1865 | $this->use_verbose_page_rules = false; |
---|
1866 | } |
---|
1867 | |
---|
1868 | /** |
---|
1869 | * Sets the main permalink structure for the site. |
---|
1870 | * |
---|
1871 | * Will update the 'permalink_structure' option, if there is a difference |
---|
1872 | * between the current permalink structure and the parameter value. Calls |
---|
1873 | * WP_Rewrite::init() after the option is updated. |
---|
1874 | * |
---|
1875 | * Fires the {@see 'permalink_structure_changed'} action once the init call has |
---|
1876 | * processed passing the old and new values |
---|
1877 | * |
---|
1878 | * @since 1.5.0 |
---|
1879 | * @access public |
---|
1880 | * |
---|
1881 | * @param string $permalink_structure Permalink structure. |
---|
1882 | */ |
---|
1883 | public function set_permalink_structure($permalink_structure) { |
---|
1884 | if ( $permalink_structure != $this->permalink_structure ) { |
---|
1885 | $old_permalink_structure = $this->permalink_structure; |
---|
1886 | update_option('permalink_structure', $permalink_structure); |
---|
1887 | |
---|
1888 | $this->init(); |
---|
1889 | |
---|
1890 | /** |
---|
1891 | * Fires after the permalink structure is updated. |
---|
1892 | * |
---|
1893 | * @since 2.8.0 |
---|
1894 | * |
---|
1895 | * @param string $old_permalink_structure The previous permalink structure. |
---|
1896 | * @param string $permalink_structure The new permalink structure. |
---|
1897 | */ |
---|
1898 | do_action( 'permalink_structure_changed', $old_permalink_structure, $permalink_structure ); |
---|
1899 | } |
---|
1900 | } |
---|
1901 | |
---|
1902 | /** |
---|
1903 | * Sets the category base for the category permalink. |
---|
1904 | * |
---|
1905 | * Will update the 'category_base' option, if there is a difference between |
---|
1906 | * the current category base and the parameter value. Calls WP_Rewrite::init() |
---|
1907 | * after the option is updated. |
---|
1908 | * |
---|
1909 | * @since 1.5.0 |
---|
1910 | * @access public |
---|
1911 | * |
---|
1912 | * @param string $category_base Category permalink structure base. |
---|
1913 | */ |
---|
1914 | public function set_category_base($category_base) { |
---|
1915 | if ( $category_base != get_option('category_base') ) { |
---|
1916 | update_option('category_base', $category_base); |
---|
1917 | $this->init(); |
---|
1918 | } |
---|
1919 | } |
---|
1920 | |
---|
1921 | /** |
---|
1922 | * Sets the tag base for the tag permalink. |
---|
1923 | * |
---|
1924 | * Will update the 'tag_base' option, if there is a difference between the |
---|
1925 | * current tag base and the parameter value. Calls WP_Rewrite::init() after |
---|
1926 | * the option is updated. |
---|
1927 | * |
---|
1928 | * @since 2.3.0 |
---|
1929 | * @access public |
---|
1930 | * |
---|
1931 | * @param string $tag_base Tag permalink structure base. |
---|
1932 | */ |
---|
1933 | public function set_tag_base( $tag_base ) { |
---|
1934 | if ( $tag_base != get_option( 'tag_base') ) { |
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1935 | update_option( 'tag_base', $tag_base ); |
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1936 | $this->init(); |
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1937 | } |
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1938 | } |
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1939 | |
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1940 | /** |
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1941 | * Constructor - Calls init(), which runs setup. |
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1942 | * |
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1943 | * @since 1.5.0 |
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1944 | * @access public |
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1945 | * |
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1946 | */ |
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1947 | public function __construct() { |
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1948 | $this->init(); |
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1949 | } |
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1950 | } |
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