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apply_filter fixes from michel. http://mosquito.wordpress.org/view.php?id=901 

git-svn-id: https://develop.svn.wordpress.org/trunk@2398 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2005-03-02 15:28:32 +00:00
parent 2155d47334
commit 7f5937bc6b
1 changed files with 71 additions and 28 deletions
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99
wp-includes/functions.php
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@ -871,42 +871,69 @@ function merge_filters($tag) {
function apply_filters($tag, $string) {
global $wp_filter;
$args = array_slice(func_get_args(), 3);
$args = array_slice(func_get_args(), 2);
merge_filters($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, array($string) + $args);
if (!isset($wp_filter[$tag])) {
return $string;
}
foreach ($wp_filter[$tag] as $priority => $functions) {
if (!is_null($functions)) {
foreach($functions as $function) {
$all_args = array_merge(array($string), $args);
$function_name = $function['function'];
$accepted_args = $function['accepted_args'];
if($accepted_args == 1) {
$args = array($string);
} elseif ($accepted_args > 1) {
$args = array_slice($all_args, 0, $accepted_args);
} elseif($accepted_args == 0) {
$args = NULL;
} else {
$args = $all_args;
}
$string = call_user_func_array($function_name, $args);
}
}
}
return $string;
}
function add_filter($tag, $function_to_add, $priority = 10) {
function add_filter($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
global $wp_filter;
// So the format is wp_filter['tag']['array of priorities']['array of functions']
if (!@in_array($function_to_add, $wp_filter[$tag]["$priority"])) {
$wp_filter[$tag]["$priority"][] = $function_to_add;
// check that we don't already have the same filter at the same priority
if (isset($wp_filter[$tag]["$priority"])) {
foreach($wp_filter[$tag]["$priority"] as $filter) {
// uncomment if we want to match function AND accepted_args
//if ($filter == array($function, $accepted_args)) {
if ($filter['function'] == $function_to_add) {
return true;
}
}
}
// So the format is wp_filter['tag']['array of priorities']['array of ['array (functions, accepted_args)]']
$wp_filter[$tag]["$priority"][] = array('function'=>$function_to_add, 'accepted_args'=>$accepted_args);
return true;
}
function remove_filter($tag, $function_to_remove, $priority = 10) {
function remove_filter($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
global $wp_filter;
if (@in_array($function_to_remove, $wp_filter[$tag]["$priority"])) {
foreach ($wp_filter[$tag]["$priority"] as $function) {
if ($function_to_remove != $function) {
$new_function_list[] = $function;
// rebuild the list of filters
if (isset($wp_filter[$tag]["$priority"])) {
foreach($wp_filter[$tag]["$priority"] as $filter) {
if ($filter['function'] != $function_to_remove) {
$new_function_list[] = $filter;
}
}
$wp_filter[$tag]["$priority"] = $new_function_list;
}
//die(var_dump($wp_filter));
return true;
}
@ -914,31 +941,47 @@ function remove_filter($tag, $function_to_remove, $priority = 10) {
function do_action($tag, $arg = '') {
global $wp_filter;
$extra_args = array_slice(func_get_args(), 2);
if ( is_array($arg) )
$args = $arg + array_slice(func_get_args(), 2);
$args = array_merge($arg, $extra_args);
else
$args = array($arg) + array_slice(func_get_args(), 2);
$args = array_merge(array($arg), $extra_args);
merge_filters($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, $args);
if (!isset($wp_filter[$tag])) {
return;
}
foreach ($wp_filter[$tag] as $priority => $functions) {
if (!is_null($functions)) {
foreach($functions as $function) {
$all_args = array_merge(array($string), $args);
$function_name = $function['function'];
$accepted_args = $function['accepted_args'];
if($accepted_args == 1) {
$args = array($string);
} elseif ($accepted_args > 1) {
$args = array_slice($all_args, 0, $accepted_args);
} elseif($accepted_args == 0) {
$args = NULL;
} else {
$args = $all_args;
}
$string = call_user_func_array($function_name, $args);
}
}
}
}
function add_action($tag, $function_to_add, $priority = 10) {
add_filter($tag, $function_to_add, $priority);
function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
add_filter($tag, $function_to_add, $priority, $accepted_args);
}
function remove_action($tag, $function_to_remove, $priority = 10) {
remove_filter($tag, $function_to_remove, $priority);
function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
remove_filter($tag, $function_to_remove, $priority, $accepted_args);
}
function get_page_uri($page_id) {