| 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 3.0.0 |
| 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[] = $tag; |
| 197 | | |
| 198 | | // Do 'all' actions first |
| 199 | | if ( isset($wp_filter['all']) ) { |
| 200 | | $all_args = func_get_args(); |
| 201 | | _wp_call_all_hook($all_args); |
| 202 | | } |
| 203 | | |
| 204 | | if ( !isset($wp_filter[$tag]) ) { |
| 205 | | array_pop($wp_current_filter); |
| 206 | | return $args[0]; |
| 207 | | } |
| 208 | | |
| 209 | | // Sort |
| 210 | | if ( !isset( $merged_filters[ $tag ] ) ) { |
| 211 | | ksort($wp_filter[$tag]); |
| 212 | | $merged_filters[ $tag ] = true; |
| 213 | | } |
| 214 | | |
| 215 | | reset( $wp_filter[ $tag ] ); |
| 216 | | |
| 217 | | do { |
| 218 | | foreach( (array) current($wp_filter[$tag]) as $the_ ) |
| 219 | | if ( !is_null($the_['function']) ) |
| 220 | | $args[0] = call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args'])); |
| 221 | | |
| 222 | | } while ( next($wp_filter[$tag]) !== false ); |
| 223 | | |
| 224 | | array_pop( $wp_current_filter ); |
| 225 | | |
| 226 | | return $args[0]; |
| 227 | | } |
| 228 | | |
| 229 | | /** |
| 423 | | * Execute functions hooked on a specific action hook, specifying arguments in an array. |
| 424 | | * |
| 425 | | * @see do_action() This function is identical, but the arguments passed to the |
| 426 | | * functions hooked to <tt>$tag</tt> are supplied using an array. |
| 427 | | * |
| 428 | | * @package WordPress |
| 429 | | * @subpackage Plugin |
| 430 | | * @since 2.1 |
| 431 | | * @global array $wp_filter Stores all of the filters |
| 432 | | * @global array $wp_actions Increments the amount of times action was triggered. |
| 433 | | * |
| 434 | | * @param string $tag The name of the action to be executed. |
| 435 | | * @param array $args The arguments supplied to the functions hooked to <tt>$tag</tt> |
| 436 | | * @return null Will return null if $tag does not exist in $wp_filter array |
| 437 | | */ |
| 438 | | function do_action_ref_array($tag, $args) { |
| 439 | | global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter; |
| 440 | | |
| 441 | | if ( ! isset($wp_actions) ) |
| 442 | | $wp_actions = array(); |
| 443 | | |
| 444 | | if ( ! isset($wp_actions[$tag]) ) |
| 445 | | $wp_actions[$tag] = 1; |
| 446 | | else |
| 447 | | ++$wp_actions[$tag]; |
| 448 | | |
| 449 | | $wp_current_filter[] = $tag; |
| 450 | | |
| 451 | | // Do 'all' actions first |
| 452 | | if ( isset($wp_filter['all']) ) { |
| 453 | | $all_args = func_get_args(); |
| 454 | | _wp_call_all_hook($all_args); |
| 455 | | } |
| 456 | | |
| 457 | | if ( !isset($wp_filter[$tag]) ) { |
| 458 | | array_pop($wp_current_filter); |
| 459 | | return; |
| 460 | | } |
| 461 | | |
| 462 | | // Sort |
| 463 | | if ( !isset( $merged_filters[ $tag ] ) ) { |
| 464 | | ksort($wp_filter[$tag]); |
| 465 | | $merged_filters[ $tag ] = true; |
| 466 | | } |
| 467 | | |
| 468 | | reset( $wp_filter[ $tag ] ); |
| 469 | | |
| 470 | | do { |
| 471 | | foreach( (array) current($wp_filter[$tag]) as $the_ ) |
| 472 | | if ( !is_null($the_['function']) ) |
| 473 | | call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args'])); |
| 474 | | |
| 475 | | } while ( next($wp_filter[$tag]) !== false ); |
| 476 | | |
| 477 | | array_pop($wp_current_filter); |
| 478 | | } |
| 479 | | |
| 480 | | /** |