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Move plugin API to plugin.php. #2525
git-svn-id: http://svn.automattic.com/wordpress/trunk@3893 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan
parent
1edfe71da2
commit
6d7717e159
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@ -561,142 +561,6 @@ function is_new_day() {
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}
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}
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// Filters: these are the core of WP's plugin architecture
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function merge_filters($tag) {
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global $wp_filter;
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if ( isset($wp_filter['all']) ) {
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foreach ($wp_filter['all'] as $priority => $functions) {
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if ( isset($wp_filter[$tag][$priority]) )
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$wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], $wp_filter[$tag][$priority]);
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else
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$wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], array());
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$wp_filter[$tag][$priority] = array_unique($wp_filter[$tag][$priority]);
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}
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}
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if ( isset($wp_filter[$tag]) )
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ksort( $wp_filter[$tag] );
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}
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function apply_filters($tag, $string) {
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global $wp_filter;
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$args = array_slice(func_get_args(), 2);
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merge_filters($tag);
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if ( !isset($wp_filter[$tag]) ) {
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return $string;
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}
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foreach ($wp_filter[$tag] as $priority => $functions) {
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if ( !is_null($functions) ) {
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foreach($functions as $function) {
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$all_args = array_merge(array($string), $args);
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$function_name = $function['function'];
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$accepted_args = $function['accepted_args'];
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if ( $accepted_args == 1 )
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$the_args = array($string);
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elseif ( $accepted_args > 1 )
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$the_args = array_slice($all_args, 0, $accepted_args);
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elseif ( $accepted_args == 0 )
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$the_args = NULL;
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else
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$the_args = $all_args;
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$string = call_user_func_array($function_name, $the_args);
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}
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}
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}
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return $string;
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}
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function add_filter($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
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global $wp_filter;
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// check that we don't already have the same filter at the same priority
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if ( isset($wp_filter[$tag]["$priority"]) ) {
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foreach($wp_filter[$tag]["$priority"] as $filter) {
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// uncomment if we want to match function AND accepted_args
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// if ( $filter == array($function, $accepted_args) ) {
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if ( $filter['function'] == $function_to_add ) {
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return true;
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}
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}
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}
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// So the format is wp_filter['tag']['array of priorities']['array of ['array (functions, accepted_args)]']
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$wp_filter[$tag]["$priority"][] = array('function'=>$function_to_add, 'accepted_args'=>$accepted_args);
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return true;
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}
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function remove_filter($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
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global $wp_filter;
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// rebuild the list of filters
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if ( isset($wp_filter[$tag]["$priority"]) ) {
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$new_function_list = array();
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foreach($wp_filter[$tag]["$priority"] as $filter) {
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if ( $filter['function'] != $function_to_remove ) {
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$new_function_list[] = $filter;
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}
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}
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$wp_filter[$tag]["$priority"] = $new_function_list;
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}
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return true;
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}
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// The *_action functions are just aliases for the *_filter functions, they take special strings instead of generic content
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function do_action($tag, $arg = '') {
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global $wp_filter;
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$extra_args = array_slice(func_get_args(), 2);
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if ( is_array($arg) )
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$args = array_merge($arg, $extra_args);
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else
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$args = array_merge(array($arg), $extra_args);
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merge_filters($tag);
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if ( !isset($wp_filter[$tag]) ) {
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return;
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}
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foreach ($wp_filter[$tag] as $priority => $functions) {
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if ( !is_null($functions) ) {
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foreach($functions as $function) {
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$function_name = $function['function'];
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$accepted_args = $function['accepted_args'];
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if ( $accepted_args == 1 ) {
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if ( is_array($arg) )
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$the_args = $arg;
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else
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$the_args = array($arg);
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} elseif ( $accepted_args > 1 ) {
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$the_args = array_slice($args, 0, $accepted_args);
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} elseif ( $accepted_args == 0 ) {
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$the_args = NULL;
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} else {
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$the_args = $args;
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}
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$string = call_user_func_array($function_name, $the_args);
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}
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}
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}
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}
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function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
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add_filter($tag, $function_to_add, $priority, $accepted_args);
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}
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function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
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remove_filter($tag, $function_to_remove, $priority, $accepted_args);
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}
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function update_post_cache(&$posts) {
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global $post_cache;
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@ -951,24 +815,6 @@ function nocache_headers() {
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@ header('Pragma: no-cache');
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}
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function register_activation_hook($file, $function) {
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$file = plugin_basename($file);
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add_action('activate_' . $file, $function);
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}
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function register_deactivation_hook($file, $function) {
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$file = plugin_basename($file);
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add_action('deactivate_' . $file, $function);
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}
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function plugin_basename($file) {
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$file = preg_replace('|\\\\+|', '\\\\', $file);
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$file = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', $file);
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return $file;
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}
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function get_num_queries() {
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global $wpdb;
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return $wpdb->num_queries;
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168
wp-includes/plugin.php
Normal file
168
wp-includes/plugin.php
Normal file
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@ -0,0 +1,168 @@
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<?php
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//
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// Filter functions, the core of the WP plugin architecture.
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//
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function add_filter($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
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global $wp_filter;
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// check that we don't already have the same filter at the same priority
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if ( isset($wp_filter[$tag]["$priority"]) ) {
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foreach($wp_filter[$tag]["$priority"] as $filter) {
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// uncomment if we want to match function AND accepted_args
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// if ( $filter == array($function, $accepted_args) ) {
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if ( $filter['function'] == $function_to_add ) {
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return true;
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}
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}
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}
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// So the format is wp_filter['tag']['array of priorities']['array of ['array (functions, accepted_args)]']
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$wp_filter[$tag]["$priority"][] = array('function'=>$function_to_add, 'accepted_args'=>$accepted_args);
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return true;
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}
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function apply_filters($tag, $string) {
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global $wp_filter;
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$args = array_slice(func_get_args(), 2);
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merge_filters($tag);
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if ( !isset($wp_filter[$tag]) ) {
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return $string;
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}
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foreach ($wp_filter[$tag] as $priority => $functions) {
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if ( !is_null($functions) ) {
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foreach($functions as $function) {
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$all_args = array_merge(array($string), $args);
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$function_name = $function['function'];
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$accepted_args = $function['accepted_args'];
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if ( $accepted_args == 1 )
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$the_args = array($string);
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elseif ( $accepted_args > 1 )
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$the_args = array_slice($all_args, 0, $accepted_args);
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elseif ( $accepted_args == 0 )
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$the_args = NULL;
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else
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$the_args = $all_args;
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$string = call_user_func_array($function_name, $the_args);
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}
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}
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}
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return $string;
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}
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function merge_filters($tag) {
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global $wp_filter;
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if ( isset($wp_filter['all']) ) {
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foreach ($wp_filter['all'] as $priority => $functions) {
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if ( isset($wp_filter[$tag][$priority]) )
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$wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], $wp_filter[$tag][$priority]);
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else
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$wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], array());
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$wp_filter[$tag][$priority] = array_unique($wp_filter[$tag][$priority]);
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}
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}
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if ( isset($wp_filter[$tag]) )
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ksort( $wp_filter[$tag] );
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}
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function remove_filter($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
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global $wp_filter;
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// rebuild the list of filters
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if ( isset($wp_filter[$tag]["$priority"]) ) {
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$new_function_list = array();
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foreach($wp_filter[$tag]["$priority"] as $filter) {
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if ( $filter['function'] != $function_to_remove ) {
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$new_function_list[] = $filter;
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}
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}
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$wp_filter[$tag]["$priority"] = $new_function_list;
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}
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return true;
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}
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//
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// Action functions
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//
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function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
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add_filter($tag, $function_to_add, $priority, $accepted_args);
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}
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function do_action($tag, $arg = '') {
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global $wp_filter;
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$extra_args = array_slice(func_get_args(), 2);
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if ( is_array($arg) )
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$args = array_merge($arg, $extra_args);
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else
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$args = array_merge(array($arg), $extra_args);
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merge_filters($tag);
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if ( !isset($wp_filter[$tag]) ) {
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return;
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}
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foreach ($wp_filter[$tag] as $priority => $functions) {
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if ( !is_null($functions) ) {
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foreach($functions as $function) {
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$function_name = $function['function'];
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$accepted_args = $function['accepted_args'];
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if ( $accepted_args == 1 ) {
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if ( is_array($arg) )
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$the_args = $arg;
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else
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$the_args = array($arg);
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} elseif ( $accepted_args > 1 ) {
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$the_args = array_slice($args, 0, $accepted_args);
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} elseif ( $accepted_args == 0 ) {
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$the_args = NULL;
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} else {
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$the_args = $args;
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}
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$string = call_user_func_array($function_name, $the_args);
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}
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}
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}
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}
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function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
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remove_filter($tag, $function_to_remove, $priority, $accepted_args);
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}
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//
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// Functions for handling plugins.
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//
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function plugin_basename($file) {
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$file = preg_replace('|\\\\+|', '\\\\', $file);
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$file = preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', $file);
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return $file;
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}
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function register_activation_hook($file, $function) {
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$file = plugin_basename($file);
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add_action('activate_' . $file, $function);
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}
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function register_deactivation_hook($file, $function) {
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$file = plugin_basename($file);
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add_action('deactivate_' . $file, $function);
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}
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?>
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@ -112,6 +112,7 @@ else
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wp_cache_init();
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require (ABSPATH . WPINC . '/functions.php');
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require (ABSPATH . WPINC . '/plugin.php');
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require (ABSPATH . WPINC . '/default-filters.php');
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require_once (ABSPATH . WPINC . '/l10n.php');
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