| 177 | * Execute functions hooked on a specific filter hook, specifying arguments in an array. |
| 178 | * |
| 179 | * @see apply_filters() This function is identical, but the arguments passed to the |
| 180 | * functions hooked to <tt>$tag</tt> are supplied using an array. |
| 181 | * |
| 182 | * @package WordPress |
| 183 | * @subpackage Plugin |
| 184 | * @since 3.0 |
| 185 | * @global array $wp_filter Stores all of the filters |
| 186 | * @global array $merged_filters Merges the filter hooks using this function. |
| 187 | * @global array $wp_current_filter stores the list of current filters with the current one last |
| 188 | * |
| 189 | * @param string $tag The name of the filter hook. |
| 190 | * @param array $args The arguments supplied to the functions hooked to <tt>$tag</tt> |
| 191 | * @return mixed The filtered value after all hooked functions are applied to it. |
| 192 | */ |
| 193 | function apply_filters_ref_array($tag, $args) { |
| 194 | global $wp_filter, $merged_filters, $wp_current_filter; |
| 195 | |
| 196 | $wp_current_filter[] = $tag; |
| 197 | |
| 198 | $value = $args[0]; |
| 199 | |
| 200 | // Do 'all' actions first |
| 201 | if ( isset($wp_filter['all']) ) { |
| 202 | $all_args = func_get_args(); |
| 203 | _wp_call_all_hook($all_args); |
| 204 | } |
| 205 | |
| 206 | if ( !isset($wp_filter[$tag]) ) { |
| 207 | array_pop($wp_current_filter); |
| 208 | return $value; |
| 209 | } |
| 210 | |
| 211 | // Sort |
| 212 | if ( !isset( $merged_filters[ $tag ] ) ) { |
| 213 | ksort($wp_filter[$tag]); |
| 214 | $merged_filters[ $tag ] = true; |
| 215 | } |
| 216 | |
| 217 | reset( $wp_filter[ $tag ] ); |
| 218 | |
| 219 | do { |
| 220 | foreach( (array) current($wp_filter[$tag]) as $the_ ) |
| 221 | if ( !is_null($the_['function']) ) |
| 222 | $value = call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args'])); |
| 223 | |
| 224 | } while ( next($wp_filter[$tag]) !== false ); |
| 225 | |
| 226 | array_pop( $wp_current_filter ); |
| 227 | |
| 228 | return $value; |
| 229 | } |
| 230 | |
| 231 | /** |