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Introduce apply_filters_ref_array(). See #9886 props scribu. 

git-svn-id: http://svn.automattic.com/wordpress/trunk@13756 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
westi 2010-03-18 21:24:07 +00:00
parent cc03c9c11b
commit 5bce147d90
1 changed files with 55 additions and 0 deletions
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55
wp-includes/plugin.php
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@ -173,6 +173,61 @@ function apply_filters($tag, $value) {
return $value;
}
/**
* Execute functions hooked on a specific filter hook, specifying arguments in an array.
*
* @see apply_filters() This function is identical, but the arguments passed to the
* functions hooked to <tt>$tag</tt> are supplied using an array.
*
* @package WordPress
* @subpackage Plugin
* @since 3.0
* @global array $wp_filter Stores all of the filters
* @global array $merged_filters Merges the filter hooks using this function.
* @global array $wp_current_filter stores the list of current filters with the current one last
*
* @param string $tag The name of the filter hook.
* @param array $args The arguments supplied to the functions hooked to <tt>$tag</tt>
* @return mixed The filtered value after all hooked functions are applied to it.
*/
function apply_filters_ref_array($tag, $args) {
global $wp_filter, $merged_filters, $wp_current_filter;
$wp_current_filter[] = $tag;
$value = $args[0];
// Do 'all' actions first
if ( isset($wp_filter['all']) ) {
$all_args = func_get_args();
_wp_call_all_hook($all_args);
}
if ( !isset($wp_filter[$tag]) ) {
array_pop($wp_current_filter);
return $value;
}
// Sort
if ( !isset( $merged_filters[ $tag ] ) ) {
ksort($wp_filter[$tag]);
$merged_filters[ $tag ] = true;
}
reset( $wp_filter[ $tag ] );
do {
foreach( (array) current($wp_filter[$tag]) as $the_ )
if ( !is_null($the_['function']) )
$value = call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args']));
} while ( next($wp_filter[$tag]) !== false );
array_pop( $wp_current_filter );
return $value;
}
/**
* Removes a function from a specified filter hook.
*