Changeset 846
- Timestamp:
- 02/09/2004 06:57:02 AM (21 years ago)
- Location:
- trunk/wp-includes
- Files:
-
- 1 added
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/wp-includes/functions.php
r845 r846 1 1 <?php 2 3 $curpath = dirname(__FILE__).'/'; 4 5 require($curpath . 'functions-formatting.php'); 2 6 3 7 if (!function_exists('_')) { … … 11 15 return ((float) $string); 12 16 } 13 }14 15 /* functions... */16 17 /***** Formatting functions *****/18 function wptexturize($text) {19 $output = "";20 $textarr = preg_split("/(<.*>)/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between21 $stop = count($textarr); $next = true; // loop stuff22 for ($i = 0; $i < $stop; $i++) {23 $curl = $textarr[$i];24 if (!strstr($_SERVER['HTTP_USER_AGENT'], 'Gecko')) {25 $curl = str_replace('<q>', '“', $curl);26 $curl = str_replace('</q>', '”', $curl);27 }28 if (isset($curl{0}) && '<' != $curl{0} && $next) { // If it's not a tag29 $curl = str_replace('---', '—', $curl);30 $curl = str_replace('--', '–', $curl);31 $curl = str_replace("...", '…', $curl);32 $curl = str_replace('``', '“', $curl);33 34 // This is a hack, look at this more later. It works pretty well though.35 $cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round");36 $cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round");37 $curl = str_replace($cockney, $cockneyreplace, $curl);38 39 $curl = preg_replace("/'s/", "’s", $curl);40 $curl = preg_replace("/'(\d\d(?:’|')?s)/", "’$1", $curl);41 $curl = preg_replace('/(\s|\A|")\'/', '$1‘', $curl);42 $curl = preg_replace("/(\d+)\"/", "$1″", $curl);43 $curl = preg_replace("/(\d+)'/", "$1′", $curl);44 $curl = preg_replace("/(\S)'([^'\s])/", "$1’$2", $curl);45 $curl = preg_replace('/"([\s.,!?;:&\']|\Z)/', '”$1', $curl);46 $curl = preg_replace('/(\s|\A)"/', '$1“', $curl);47 $curl = preg_replace("/'([\s.]|\Z)/", '’$1', $curl);48 $curl = preg_replace("/\(tm\)/i", '™', $curl);49 $curl = preg_replace("/\(c\)/i", '©', $curl);50 $curl = preg_replace("/\(r\)/i", '®', $curl);51 $curl = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $curl);52 $curl = str_replace("''", '”', $curl);53 54 $curl = preg_replace('/(d+)x(\d+)/', "$1×$2", $curl);55 56 } elseif (strstr($curl, '<code') || strstr($curl, '<pre') || strstr($curl, '<kbd' || strstr($curl, '<style') || strstr($curl, '<script'))) {57 // strstr is fast58 $next = false;59 } else {60 $next = true;61 }62 $output .= $curl;63 }64 return $output;65 }66 67 function wpautop($pee, $br = 1) {68 $pee = $pee . "\n"; // just to make things a little easier, pad the end69 $pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee);70 $pee = preg_replace('!(<(?:table|tr|td|th|div|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "\n$1", $pee); // Space things out a little71 $pee = preg_replace('!(</(?:table|tr|td|th|div|ul|ol|li|pre|select|form|blockquote|p|h[1-6])>)!', "$1\n", $pee); // Space things out a little72 $pee = preg_replace("/(\r\n|\r)/", "\n", $pee); // cross-platform newlines73 $pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates74 $pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "\t<p>$1</p>\n", $pee); // make paragraphs, including one at the end75 $pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace76 $pee = preg_replace('!<p>\s*(</?(?:table|tr|td|th|div|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag77 $pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists78 $pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee);79 $pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);80 $pee = preg_replace('!<p>\s*(</?(?:table|tr|td|th|div|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "$1", $pee);81 $pee = preg_replace('!(</?(?:table|tr|td|th|div|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee);82 if ($br) $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks83 $pee = preg_replace('!(</?(?:table|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*<br />!', "$1", $pee);84 $pee = preg_replace('!<br />(\s*</?(?:p|li|div|th|pre|td|ul|ol)>)!', '$1', $pee);85 $pee = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $pee);86 87 return $pee;88 }89 90 function sanitize_title($title) {91 $title = strtolower($title);92 $title = preg_replace('/&.+?;/', '', $title); // kill entities93 $title = preg_replace('/[^a-z0-9 -]/', '', $title);94 $title = preg_replace('/\s+/', ' ', $title);95 $title = trim($title);96 $title = str_replace(' ', '-', $title);97 $title = preg_replace('|-+|', '-', $title);98 return $title;99 17 } 100 18 … … 105 23 $text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text); 106 24 return $text; 107 }108 109 function autobrize($content) {110 $content = preg_replace("/<br>\n/", "\n", $content);111 $content = preg_replace("/<br \/>\n/", "\n", $content);112 $content = preg_replace("/(\015\012)|(\015)|(\012)/", "<br />\n", $content);113 return $content;114 }115 function unautobrize($content) {116 $content = preg_replace("/<br>\n/", "\n", $content); //for PHP versions before 4.0.5117 $content = preg_replace("/<br \/>\n/", "\n", $content);118 return $content;119 }120 121 122 function format_to_edit($content) {123 global $autobr;124 $content = stripslashes($content);125 if ($autobr) { $content = unautobrize($content); }126 $content = htmlspecialchars($content);127 return $content;128 }129 function format_to_post($content) {130 global $post_autobr,$comment_autobr;131 $content = addslashes($content);132 if ($post_autobr || $comment_autobr) { $content = autobrize($content); }133 return $content;134 }135 136 137 function zeroise($number,$threshold) { // function to add leading zeros when necessary138 $l=strlen($number);139 if ($l<$threshold)140 for ($i=0; $i<($threshold-$l); $i=$i+1) { $number='0'.$number; }141 return $number;142 }143 144 145 function backslashit($string) {146 $string = preg_replace('/([a-z])/i', '\\\\\1', $string);147 return $string;148 }149 150 function trailingslashit($string) {151 if ( '/' != substr($string, -1)) {152 $string .= '/';153 }154 return $string;155 25 } 156 26 … … 190 60 break; 191 61 } 192 }193 194 function addslashes_gpc($gpc) {195 if (!get_magic_quotes_gpc()) {196 $gpc = addslashes($gpc);197 }198 return $gpc;199 62 } 200 63 … … 216 79 } 217 80 218 219 220 81 function get_weekstartend($mysqlstring, $start_of_week) { 221 82 $my = substr($mysqlstring,0,4); … … 234 95 return $week; 235 96 } 236 237 function convert_chars($content,$flag='obsolete attribute left there for backwards compatibility') { // html/unicode entities output238 239 global $use_htmltrans, $wp_htmltrans, $wp_htmltranswinuni;240 241 // removes metadata tags242 $content = preg_replace('/<title>(.+?)<\/title>/','',$content);243 $content = preg_replace('/<category>(.+?)<\/category>/','',$content);244 245 if ($use_htmltrans) {246 247 // converts lone & characters into & (a.k.a. &)248 $content = preg_replace('/&[^#](?![a-z]*;)/ie', '"&".substr("\0",1)', $content);249 250 // converts HTML-entities to their display values in order to convert them again later251 $content = preg_replace('/['.chr(127).'-'.chr(255).']/e', '"&#".ord(\'\0\').";"', $content );252 $content = strtr($content, $wp_htmltrans);253 254 // now converting: Windows CP1252 => Unicode (valid HTML)255 // (if you've ever pasted text from MSWord, you'll understand)256 257 $content = strtr($content, $wp_htmltranswinuni);258 259 }260 261 // you can delete these 2 lines if you don't like <br /> and <hr />262 $content = str_replace("<br>","<br />",$content);263 $content = str_replace("<hr>","<hr />",$content);264 265 return $content;266 267 }268 269 function convert_bbcode($content) {270 global $wp_bbcode, $use_bbcode;271 if ($use_bbcode) {272 $content = preg_replace($wp_bbcode["in"], $wp_bbcode["out"], $content);273 }274 $content = convert_bbcode_email($content);275 return $content;276 }277 278 function convert_bbcode_email($content) {279 global $use_bbcode;280 $bbcode_email["in"] = array(281 '#\[email](.+?)\[/email]#eis',282 '#\[email=(.+?)](.+?)\[/email]#eis'283 );284 $bbcode_email["out"] = array(285 "'<a href=\"mailto:'.antispambot('\\1').'\">'.antispambot('\\1').'</a>'", // E-mail286 "'<a href=\"mailto:'.antispambot('\\1').'\">\\2</a>'"287 );288 289 $content = preg_replace($bbcode_email["in"], $bbcode_email["out"], $content);290 return $content;291 }292 293 function convert_gmcode($content) {294 global $wp_gmcode, $use_gmcode;295 if ($use_gmcode) {296 $content = preg_replace($wp_gmcode["in"], $wp_gmcode["out"], $content);297 }298 return $content;299 }300 301 function convert_smilies($text) {302 global $smilies_directory, $use_smilies;303 global $wp_smiliessearch, $wp_smiliesreplace;304 $output = '';305 if ($use_smilies) {306 // HTML loop taken from texturize function, could possible be consolidated307 $textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between308 $stop = count($textarr);// loop stuff309 for ($i = 0; $i < $stop; $i++) {310 $content = $textarr[$i];311 if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag312 $content = str_replace($wp_smiliessearch, $wp_smiliesreplace, $content);313 }314 $output .= $content;315 }316 } else {317 // return default text.318 $output = $text;319 }320 return $output;321 }322 323 function antispambot($emailaddy, $mailto=0) {324 $emailNOSPAMaddy = '';325 srand ((float) microtime() * 1000000);326 for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) {327 $j = floor(rand(0, 1+$mailto));328 if ($j==0) {329 $emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';';330 } elseif ($j==1) {331 $emailNOSPAMaddy .= substr($emailaddy,$i,1);332 } elseif ($j==2) {333 $emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2);334 }335 }336 $emailNOSPAMaddy = str_replace('@','@',$emailNOSPAMaddy);337 return $emailNOSPAMaddy;338 }339 340 function make_clickable($text) { // original function: phpBB, extended here for AIM & ICQ341 $ret = " " . $text;342 $ret = preg_replace("#([\n ])([a-z]+?)://([^, <>{}\n\r]+)#i", "\\1<a href=\"\\2://\\3\" target=\"_blank\">\\2://\\3</a>", $ret);343 $ret = preg_replace("#([\n ])aim:([^,< \n\r]+)#i", "\\1<a href=\"aim:goim?screenname=\\2\\3&message=Hello\">\\2\\3</a>", $ret);344 $ret = preg_replace("#([\n ])icq:([^,< \n\r]+)#i", "\\1<a href=\"http://wwp.icq.com/scripts/search.dll?to=\\2\\3\">\\2\\3</a>", $ret);345 $ret = preg_replace("#([\n ])www\.([a-z0-9\-]+)\.([a-z0-9\-.\~]+)((?:/[^,< \n\r]*)?)#i", "\\1<a href=\"http://www.\\2.\\3\\4\" target=\"_blank\">www.\\2.\\3\\4</a>", $ret);346 $ret = preg_replace("#([\n ])([a-z0-9\-_.]+?)@([^,< \n\r]+)#i", "\\1<a href=\"mailto:\\2@\\3\">\\2@\\3</a>", $ret);347 $ret = substr($ret, 1);348 return $ret;349 }350 351 352 function is_email($user_email) {353 $chars = "/^([a-z0-9_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,4}\$/i";354 if(strstr($user_email, '@') && strstr($user_email, '.')) {355 if (preg_match($chars, $user_email)) {356 return true;357 } else {358 return false;359 }360 } else {361 return false;362 }363 }364 365 366 function strip_all_but_one_link($text, $mylink) {367 $match_link = '#(<a.+?href.+?'.'>)(.+?)(</a>)#';368 preg_match_all($match_link, $text, $matches);369 $count = count($matches[0]);370 for ($i=0; $i<$count; $i++) {371 if (!strstr($matches[0][$i], $mylink)) {372 $text = str_replace($matches[0][$i], $matches[2][$i], $text);373 }374 }375 return $text;376 }377 378 379 /***** // Formatting functions *****/380 381 382 97 383 98 function get_lastpostdate() { … … 1215 930 } 1216 931 1217 /**1218 ** sanitise HTML attributes, remove frame/applet/*script/mouseovers,etc. tags1219 ** so that this kind of thing cannot be done:1220 ** This is how we can do <b onmouseover="alert('badbadbad')">bad stuff</b>!1221 **/1222 function sanitise_html_attributes($text) {1223 $text = preg_replace('#(([\s"\'])on[a-z]{1,}|style|class|id)="(.*?)"#i', '$1', $text);1224 $text = preg_replace('#(([\s"\'])on[a-z]{1,}|style|class|id)=\'(.*?)\'#i', '$1', $text);1225 $text = preg_replace('#(([\s"\'])on[a-z]{1,}|style|class|id)[ \t]*=[ \t]*([^ \t\>]*?)#i', '$1', $text);1226 $text = preg_replace('#([a-z]{1,})="(( |\t)*?)(javascript|vbscript|about):(.*?)"#i', '$1=""', $text);1227 $text = preg_replace('#([a-z]{1,})=\'(( |\t)*?)(javascript|vbscript|about):(.*?)\'#i', '$1=""', $text);1228 $text = preg_replace('#\<(\/{0,1})([a-z]{0,2})(frame|applet)(.*?)\>#i', '', $text);1229 return $text;1230 }1231 1232 /*1233 balanceTags1234 1235 Balances Tags of string using a modified stack.1236 1237 @param text Text to be balanced1238 @return Returns balanced text1239 @author Leonard Lin (leonard@acm.org)1240 @version v1.11241 @date November 4, 20011242 @license GPL v2.01243 @notes1244 @changelog1245 1.2 ***TODO*** Make better - change loop condition to $text1246 1.1 Fixed handling of append/stack pop order of end text1247 Added Cleaning Hooks1248 1.0 First Version1249 */1250 function balanceTags($text, $is_comment = 0) {1251 global $use_balanceTags;1252 1253 if ($is_comment) {1254 $text = sanitise_html_attributes($text);1255 }1256 1257 if ($use_balanceTags == 0) {1258 return $text;1259 }1260 1261 $tagstack = array();1262 $stacksize = 0;1263 $tagqueue = '';1264 $newtext = '';1265 1266 # b2 bug fix for comments - in case you REALLY meant to type '< !--'1267 $text = str_replace('< !--', '< !--', $text);1268 1269 # b2 bug fix for LOVE <3 (and other situations with '<' before a number)1270 $text = preg_replace('#<([0-9]{1})#', '<$1', $text);1271 1272 1273 while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) {1274 $newtext = $newtext . $tagqueue;1275 1276 $i = strpos($text,$regex[0]);1277 $l = strlen($tagqueue) + strlen($regex[0]);1278 1279 // clear the shifter1280 $tagqueue = '';1281 1282 // Pop or Push1283 if ($regex[1][0] == "/") { // End Tag1284 $tag = strtolower(substr($regex[1],1));1285 1286 // if too many closing tags1287 if($stacksize <= 0) {1288 $tag = '';1289 //or close to be safe $tag = '/' . $tag;1290 }1291 // if stacktop value = tag close value then pop1292 else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag1293 $tag = '</' . $tag . '>'; // Close Tag1294 // Pop1295 array_pop ($tagstack);1296 $stacksize--;1297 } else { // closing tag not at top, search for it1298 for ($j=$stacksize-1;$j>=0;$j--) {1299 if ($tagstack[$j] == $tag) {1300 // add tag to tagqueue1301 for ($k=$stacksize-1;$k>=$j;$k--){1302 $tagqueue .= '</' . array_pop ($tagstack) . '>';1303 $stacksize--;1304 }1305 break;1306 }1307 }1308 $tag = '';1309 }1310 } else { // Begin Tag1311 $tag = strtolower($regex[1]);1312 1313 // Tag Cleaning1314 1315 // Push if not img or br or hr1316 if($tag != 'br' && $tag != 'img' && $tag != 'hr') {1317 $stacksize = array_push ($tagstack, $tag);1318 }1319 1320 // Attributes1321 // $attributes = $regex[2];1322 $attributes = $regex[2];1323 if($attributes) {1324 $attributes = ' '.$attributes;1325 }1326 1327 $tag = '<'.$tag.$attributes.'>';1328 }1329 1330 $newtext .= substr($text,0,$i) . $tag;1331 $text = substr($text,$i+$l);1332 }1333 1334 // Clear Tag Queue1335 $newtext = $newtext . $tagqueue;1336 1337 // Add Remaining text1338 $newtext .= $text;1339 1340 // Empty Stack1341 while($x = array_pop($tagstack)) {1342 $newtext = $newtext . '</' . $x . '>'; // Add remaining tags to close1343 }1344 1345 # b2 fix for the bug with HTML comments1346 $newtext = str_replace("< !--","<!--",$newtext);1347 $newtext = str_replace("< !--","< !--",$newtext);1348 1349 return $newtext;1350 }1351 1352 932 function doGeoUrlHeader($posts) { 1353 933 global $use_default_geourl,$default_geourl_lat,$default_geourl_lon;
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