/**
* Execute functions hooked on a specific action hook, specifying arguments in a array.
*
* This function is identical to {@link do_action}, but the argumetns passe to
* the functions hooked to <tt>$tag</tt> are supplied using an array.
* @param string $tag The name of the action to be executed.
* @param array $args The arguments supplied to the functions hooked to <tt>$tag</tt>
*/
function do_action_ref_array($tag, $args) {
global $wp_filter, $wp_actions;
if ( !is_array($wp_actions) )
$wp_actions = array($tag);
else
$wp_actions[] = $tag;
merge_filters($tag);
if ( !isset($wp_filter[$tag]) )
return;
do{
foreach( (array) current($wp_filter[$tag]) as $the_ )
if ( !is_null($the_['function']) )
call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args']));
} while ( next($wp_filter[$tag]) );
}
function do_action($tag, $arg = '') {
global $wp_filter;
$extra_args = array_slice(func_get_args(), 2);
if ( is_array($arg) )
$args = array_merge($arg, $extra_args);
else
$args = array_merge(array($arg), $extra_args);
merge_filters($tag);
if ( !isset($wp_filter[$tag]) ) {
return;
}
foreach ($wp_filter[$tag] as $priority => $functions) {
if ( !is_null($functions) ) {
foreach($functions as $function) {
$function_name = $function['function'];
$accepted_args = $function['accepted_args'];
if ( $accepted_args == 1 ) {
if ( is_array($arg) )
$the_args = $arg;
else
$the_args = array($arg);
} elseif ( $accepted_args > 1 ) {
$the_args = array_slice($args, 0, $accepted_args);
} elseif ( $accepted_args == 0 ) {
$the_args = NULL;
} else {
$the_args = $args;
}
$string = call_user_func_array($function_name, $the_args);
}
}
}
}
function do_action($tag, $arg = '') {
global $wp_filter;
if ( is_array($arg) )
$args = $arg + array_slice(func_get_args(), 2);
else
$args = array($arg) + array_slice(func_get_args(), 2);
merge_filters($tag);
if (isset($wp_filter[$tag])) {
foreach ($wp_filter[$tag] as $priority => $functions) {
if (!is_null($functions)) {
foreach($functions as $function) {
$string = call_user_func_array($function, $args);
}
}
}
}
}
function apply_filters($tag, $string)
{
global $wp_filter, $merged_filters;
if (!isset($merged_filters[$tag])) {
merge_filters($tag);
}
if (!isset($wp_filter[$tag])) {
return $string;
}
reset($wp_filter[$tag]);
$args = func_get_args();
do {
foreach ((array) current($wp_filter[$tag]) as $the_) {
if (!is_null($the_['function'])) {
$args[1] = $string;
$string = call_user_func_array($the_['function'], array_slice($args, 1, (int) $the_['accepted_args']));
}
}
} while (next($wp_filter[$tag]) !== false);
return $string;
}
function do_action_ref_array($tag, $args) {
global $wp_filter, $wp_actions;
if ( !is_array($wp_actions) )
$wp_actions = array($tag);
else
$wp_actions[] = $tag;
merge_filters($tag);
if ( !isset($wp_filter[$tag]) )
return;
foreach ( (array) $wp_filter[$tag] as $priority => $functions ) {
if ( !is_null($functions) ) {
foreach ( (array) $functions as $function ) {
$function_name = $function['function'];
$accepted_args = $function['accepted_args'];
if ( $accepted_args > 0 )
$the_args = array_slice($args, 0, $accepted_args);
elseif ( 0 == $accepted_args )
$the_args = NULL;
else
$the_args = $args;
call_user_func_array($function_name, $the_args);
}
}
}
}
