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Change 'all' hook calling. Bring filters and actions back into one array for back-compat. see #5231 

git-svn-id: http://svn.automattic.com/wordpress/trunk@6324 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2007-11-08 01:05:43 +00:00
parent 1ea72d5996
commit 0eaad56717
1 changed files with 60 additions and 81 deletions
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141
wp-includes/plugin.php
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@ -72,7 +72,7 @@
function add_filter($tag, $function_to_add, $priority = 10, $accepted_args = 1) { function add_filter($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
global $wp_filter, $merged_filters; global $wp_filter, $merged_filters;
$idx = _wp_filter_build_unique_id($tag, $function_to_add, $priority, 'filter'); $idx = _wp_filter_build_unique_id($tag, $function_to_add, $priority);
$wp_filter[$tag][$priority][$idx] = array('function' => $function_to_add, 'accepted_args' => $accepted_args); $wp_filter[$tag][$priority][$idx] = array('function' => $function_to_add, 'accepted_args' => $accepted_args);
unset( $merged_filters[ $tag ] ); unset( $merged_filters[ $tag ] );
return true; return true;
@ -96,7 +96,7 @@ function has_filter($tag, $function_to_check = false) {
if ( false === $function_to_check || false == $has ) if ( false === $function_to_check || false == $has )
return $has; return $has;
if ( !$idx = _wp_filter_build_unique_id($tag, $function_to_check, false, 'filter') ) if ( !$idx = _wp_filter_build_unique_id($tag, $function_to_check, false) )
return false; return false;
foreach ( array_keys($wp_filter[$tag]) as $priority ) { foreach ( array_keys($wp_filter[$tag]) as $priority ) {
@ -138,15 +138,17 @@ function has_filter($tag, $function_to_check = false) {
function apply_filters($tag, $value) { function apply_filters($tag, $value) {
global $wp_filter, $merged_filters, $wp_current_filter; global $wp_filter, $merged_filters, $wp_current_filter;
$args = array();
@$wp_current_filter[] = $tag; @$wp_current_filter[] = $tag;
// Do 'all' actions first // Do 'all' actions first
if ( isset($wp_filter['all']) ) { if ( isset($wp_filter['all']) ) {
reset( $wp_filter['all'] ); reset( $wp_filter['all'] );
$args = func_get_args();
do { do {
foreach ( (array) current($wp_filter['all']) as $the_ ) foreach ( (array) current($wp_filter['all']) as $the_ )
if ( !is_null($the_['function']) ) if ( !is_null($the_['function']) )
$value = call_user_func_array($the_['function'], $value); call_user_func_array($the_['function'], $args);
} while ( next($wp_filter['all']) !== false ); } while ( next($wp_filter['all']) !== false );
} }
@ -165,7 +167,8 @@ function apply_filters($tag, $value) {
reset( $wp_filter[ $tag ] ); reset( $wp_filter[ $tag ] );
$args = func_get_args(); if ( empty($args) )
$args = func_get_args();
do { do {
foreach( (array) current($wp_filter[$tag]) as $the_ ) foreach( (array) current($wp_filter[$tag]) as $the_ )
@ -203,7 +206,7 @@ function apply_filters($tag, $value) {
* @return boolean Whether the function existed before it was removed. * @return boolean Whether the function existed before it was removed.
*/ */
function remove_filter($tag, $function_to_remove, $priority = 10, $accepted_args = 1) { function remove_filter($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
$function_to_remove = _wp_filter_build_unique_id($tag, $function_to_remove, $priority, 'filter'); $function_to_remove = _wp_filter_build_unique_id($tag, $function_to_remove, $priority);
$r = isset($GLOBALS['wp_filter'][$tag][$priority][$function_to_remove]); $r = isset($GLOBALS['wp_filter'][$tag][$priority][$function_to_remove]);
@ -247,11 +250,11 @@ function current_filter() {
* @param int $accepted_args optional. The number of arguments the function accept (default 1). * @param int $accepted_args optional. The number of arguments the function accept (default 1).
*/ */
function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) { function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
global $wp_action, $merged_actions; global $wp_filter, $merged_filters;
$idx = _wp_filter_build_unique_id($tag, $function_to_add, $priority, 'action'); $idx = _wp_filter_build_unique_id($tag, $function_to_add, $priority);
$wp_action[$tag][$priority][$idx] = array('function' => $function_to_add, 'accepted_args' => $accepted_args); $wp_filter[$tag][$priority][$idx] = array('function' => $function_to_add, 'accepted_args' => $accepted_args);
unset( $merged_actions[ $tag ] ); unset( $merged_filters[ $tag ] );
return true; return true;
} }
@ -279,13 +282,32 @@ function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1)
* @return null Will return null if $tag does not exist in $wp_filter array * @return null Will return null if $tag does not exist in $wp_filter array
*/ */
function do_action($tag, $arg = '') { function do_action($tag, $arg = '') {
global $wp_action, $wp_actions, $wp_current_filter; global $wp_filter, $wp_actions, $wp_current_filter;
if ( is_array($wp_actions) ) if ( is_array($wp_actions) )
$wp_actions[] = $tag; $wp_actions[] = $tag;
else else
$wp_actions = array($tag); $wp_actions = array($tag);
@$wp_current_filter[] = $tag;
// Do 'all' actions first
if ( isset($wp_filter['all']) ) {
reset( $wp_filter['all'] );
$all_args = func_get_args();
do {
foreach( (array) current($wp_filter['all']) as $the_ )
if ( !is_null($the_['function']) )
call_user_func_array($the_['function'], $all_args);
} while ( next($wp_filter['all']) !== false );
}
if ( !isset($wp_filter[$tag]) ) {
array_pop($wp_current_filter);
return;
}
$args = array(); $args = array();
if ( is_array($arg) && 1 == count($arg) && is_object($arg[0]) ) // array(&$this) if ( is_array($arg) && 1 == count($arg) && is_object($arg[0]) ) // array(&$this)
$args[] =& $arg[0]; $args[] =& $arg[0];
@ -294,38 +316,21 @@ function do_action($tag, $arg = '') {
for ( $a = 2; $a < func_num_args(); $a++ ) for ( $a = 2; $a < func_num_args(); $a++ )
$args[] = func_get_arg($a); $args[] = func_get_arg($a);
@$wp_current_filter[] = $tag;
// Do 'all' actions first
if ( isset($wp_action['all']) ) {
do {
foreach( (array) current($wp_action['all']) as $the_ )
if ( !is_null($the_['function']) )
call_user_func_array($the_['function'], $args[0]);
} while ( next($wp_action['all']) !== false );
}
if ( !isset($wp_action[$tag]) ) {
array_pop($wp_current_filter);
return;
}
// Sort // Sort
if ( !isset( $merged_actions[ $tag ] ) ) { if ( !isset( $merged_filters[ $tag ] ) ) {
reset($wp_action[$tag]); reset($wp_filter[$tag]);
uksort($wp_action[$tag], "strnatcasecmp"); uksort($wp_filter[$tag], "strnatcasecmp");
$merged_actions[ $tag ] = true; $merged_filters[ $tag ] = true;
} }
reset( $wp_action[ $tag ] ); reset( $wp_filter[ $tag ] );
do { do {
foreach ( (array) current($wp_action[$tag]) as $the_ ) foreach ( (array) current($wp_filter[$tag]) as $the_ )
if ( !is_null($the_['function']) ) if ( !is_null($the_['function']) )
call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args'])); call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args']));
} while ( next($wp_action[$tag]) !== false ); } while ( next($wp_filter[$tag]) !== false );
array_pop($wp_current_filter); array_pop($wp_current_filter);
} }
@ -367,7 +372,7 @@ function did_action($tag) {
* @return null Will return null if $tag does not exist in $wp_filter array * @return null Will return null if $tag does not exist in $wp_filter array
*/ */
function do_action_ref_array($tag, $args) { function do_action_ref_array($tag, $args) {
global $wp_action, $wp_actions; global $wp_filter, $wp_actions;
if ( !is_array($wp_actions) ) if ( !is_array($wp_actions) )
$wp_actions = array($tag); $wp_actions = array($tag);
@ -375,33 +380,35 @@ function do_action_ref_array($tag, $args) {
$wp_actions[] = $tag; $wp_actions[] = $tag;
// Do 'all' actions first // Do 'all' actions first
if ( isset($wp_action['all']) ) { if ( isset($wp_filter['all']) ) {
reset( $wp_filter['all'] );
$all_args = func_get_args();
do { do {
foreach( (array) current($wp_action['all']) as $the_ ) foreach( (array) current($wp_filter['all']) as $the_ )
if ( !is_null($the_['function']) ) if ( !is_null($the_['function']) )
call_user_func_array($the_['function'], $args[0]); call_user_func_array($the_['function'], $all_args);
} while ( next($wp_action['all']) !== false ); } while ( next($wp_filter['all']) !== false );
} }
if ( !isset($wp_action[$tag]) ) if ( !isset($wp_filter[$tag]) )
return; return;
// Sort // Sort
if ( !isset( $merged_actions[ $tag ] ) ) { if ( !isset( $merged_filters[ $tag ] ) ) {
reset($wp_action[$tag]); reset($wp_filter[$tag]);
uksort($wp_action[$tag], "strnatcasecmp"); uksort($wp_filter[$tag], "strnatcasecmp");
$merged_actions[ $tag ] = true; $merged_filters[ $tag ] = true;
} }
reset( $wp_action[ $tag ] ); reset( $wp_filter[ $tag ] );
do { do {
foreach( (array) current($wp_action[$tag]) as $the_ ) foreach( (array) current($wp_filter[$tag]) as $the_ )
if ( !is_null($the_['function']) ) if ( !is_null($the_['function']) )
call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args'])); call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args']));
} while ( next($wp_action[$tag]) !== false ); } while ( next($wp_filter[$tag]) !== false );
} }
@ -410,28 +417,14 @@ function do_action_ref_array($tag, $args) {
* @package WordPress * @package WordPress
* @subpackage Plugin * @subpackage Plugin
* @since 2.4 * @since 2.4
* @global array $wp_action Stores all of the actions * @global array $wp_filter Stores all of the actions
* *
* @param string $tag The name of the action hook. * @param string $tag The name of the action hook.
* @param callback $function_to_check optional. If specified, return the priority of that function on this hook or false if not attached. * @param callback $function_to_check optional. If specified, return the priority of that function on this hook or false if not attached.
* @return int|boolean * @return int|boolean
*/ */
function has_action($tag, $function_to_check = false) { function has_action($tag, $function_to_check = false) {
global $wp_action; return has_filter($tag, $function_to_check);
$has = !empty($wp_action[$tag]);
if ( false === $function_to_check || false == $has )
return $has;
if ( !$idx = _wp_filter_build_unique_id($tag, $function_to_check, false, 'action') )
return false;
foreach ( array_keys($wp_action[$tag]) as $priority ) {
if ( isset($wp_action[$tag][$priority][$idx]) )
return $priority;
}
return false;
} }
/** /**
@ -452,18 +445,7 @@ function has_action($tag, $function_to_check = false) {
* @return boolean Whether the function is removed. * @return boolean Whether the function is removed.
*/ */
function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args = 1) { function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
$function_to_remove = _wp_filter_build_unique_id($tag, $function_to_remove, $priority, 'action'); return remove_filter($tag, $function_to_remove, $priority, $accepted_args);
$r = isset($GLOBALS['wp_action'][$tag][$priority][$function_to_remove]);
if ( true === $r) {
unset($GLOBALS['wp_action'][$tag][$priority][$function_to_remove]);
if ( empty($GLOBALS['wp_action'][$tag][$priority]) )
unset($GLOBALS['wp_action'][$tag][$priority]);
unset($GLOBALS['merged_actions'][$tag]);
}
return $r;
} }
// //
@ -575,9 +557,9 @@ function register_deactivation_hook($file, $function) {
* @param string $type filter or action * @param string $type filter or action
* @return string Unique ID for usage as array key * @return string Unique ID for usage as array key
*/ */
function _wp_filter_build_unique_id($tag, $function, $priority, $type) function _wp_filter_build_unique_id($tag, $function, $priority)
{ {
global $wp_filter, $wp_action; global $wp_filter;
// If function then just skip all of the tests and not overwrite the following. // If function then just skip all of the tests and not overwrite the following.
if ( is_string($function) ) if ( is_string($function) )
@ -588,10 +570,7 @@ function _wp_filter_build_unique_id($tag, $function, $priority, $type)
if ( !isset($function[0]->wp_filter_id) ) { if ( !isset($function[0]->wp_filter_id) ) {
if ( false === $priority ) if ( false === $priority )
return false; return false;
if ( 'filter' == $type ) $count = count((array)$wp_filter[$tag][$priority]);
$count = count((array)$wp_filter[$tag][$priority]);
else
$count = count((array)$wp_action[$tag][$priority]);
$function[0]->wp_filter_id = $count; $function[0]->wp_filter_id = $count;
$obj_idx .= $count; $obj_idx .= $count;
unset($count); unset($count);