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New function, remove_filter. Added priorities to filters. 

git-svn-id: http://svn.automattic.com/wordpress/trunk@853 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
saxmatt 2004-02-09 11:58:49 +00:00
parent 161f6da97a
commit 0284b7ba09
1 changed files with 32 additions and 37 deletions
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69
wp-includes/functions.php
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@ -1177,55 +1177,50 @@ function is_new_day() {
function apply_filters($tag, $string) { function apply_filters($tag, $string) {
global $wp_filter; global $wp_filter;
if (isset($wp_filter['all'])) { if (isset($wp_filter['all'])) {
$wp_filter['all'] = (is_string($wp_filter['all'])) ? array($wp_filter['all']) : $wp_filter['all']; foreach ($wp_filter['all'] as $priority => $functions) {
if (isset($wp_filter[$tag])) if (isset($wp_filter[$tag][$priority]))
$wp_filter[$tag] = array_merge($wp_filter['all'], $wp_filter[$tag]); $wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], $wp_filter[$tag][$priority]);
else else
$wp_filter[$tag] = array_merge($wp_filter['all'], array()); $wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], array());
$wp_filter[$tag] = array_unique($wp_filter[$tag]); $wp_filter[$tag][$priority] = array_unique($wp_filter[$tag][$priority]);
}
} }
if (isset($wp_filter[$tag])) { if (isset($wp_filter[$tag])) {
$wp_filter[$tag] = (is_string($wp_filter[$tag])) ? array($wp_filter[$tag]) : $wp_filter[$tag]; ksort($wp_filter[$tag]);
$functions = $wp_filter[$tag]; foreach ($wp_filter[$tag] as $priority => $functions) {
foreach($functions as $function) { foreach($functions as $function) {
//error_log("apply_filters #1 applying filter $function"); $string = $function($string);
$string = $function($string); }
} }
} }
return $string; return $string;
} }
function add_filter($tag, $function_to_add) { function add_filter($tag, $function_to_add, $priority = 10) {
global $wp_filter; global $wp_filter;
if (isset($wp_filter[$tag])) { // So the format is wp_filter['tag']['array of priorities']['array of functions']
$functions = $wp_filter[$tag]; if (!@in_array($function_to_add, $wp_filter[$tag]["$priority"])) {
if (is_array($functions)) { $wp_filter[$tag]["$priority"][] = $function_to_add;
foreach($functions as $function) {
$new_functions[] = $function;
}
} elseif (is_string($functions)) {
$new_functions[] = $functions;
}
/* this is commented out because it just makes PHP die silently
for no apparent reason
if (is_array($function_to_add)) {
foreach($function_to_add as $function) {
if (!in_array($function, $wp_filter[$tag])) {
$new_functions[] = $function;
}
}
} else */if (is_string($function_to_add)) {
if (!@in_array($function_to_add, $wp_filter[$tag])) {
$new_functions[] = $function_to_add;
}
}
$wp_filter[$tag] = $new_functions;
} else {
$wp_filter[$tag] = array($function_to_add);
} }
return true; return true;
} }
function remove_filter($tag, $function_to_remove, $priority = 10) {
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;
}
}
$wp_filter[$tag]["$priority"] = $new_function_list;
}
//die(var_dump($wp_filter));
return true;
}
/* Highlighting code c/o Ryan Boren */ /* Highlighting code c/o Ryan Boren */
function get_search_query_terms($engine = 'google') { function get_search_query_terms($engine = 'google') {
global $s, $s_array; global $s, $s_array;