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

View File

@ -1177,55 +1177,50 @@ function is_new_day() {
function apply_filters($tag, $string) {
global $wp_filter;
if (isset($wp_filter['all'])) {
$wp_filter['all'] = (is_string($wp_filter['all'])) ? array($wp_filter['all']) : $wp_filter['all'];
if (isset($wp_filter[$tag]))
$wp_filter[$tag] = array_merge($wp_filter['all'], $wp_filter[$tag]);
else
$wp_filter[$tag] = array_merge($wp_filter['all'], array());
$wp_filter[$tag] = array_unique($wp_filter[$tag]);
foreach ($wp_filter['all'] as $priority => $functions) {
if (isset($wp_filter[$tag][$priority]))
$wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], $wp_filter[$tag][$priority]);
else
$wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], array());
$wp_filter[$tag][$priority] = array_unique($wp_filter[$tag][$priority]);
}
}
if (isset($wp_filter[$tag])) {
$wp_filter[$tag] = (is_string($wp_filter[$tag])) ? array($wp_filter[$tag]) : $wp_filter[$tag];
$functions = $wp_filter[$tag];
foreach($functions as $function) {
//error_log("apply_filters #1 applying filter $function");
$string = $function($string);
ksort($wp_filter[$tag]);
foreach ($wp_filter[$tag] as $priority => $functions) {
foreach($functions as $function) {
$string = $function($string);
}
}
}
return $string;
}
function add_filter($tag, $function_to_add) {
function add_filter($tag, $function_to_add, $priority = 10) {
global $wp_filter;
if (isset($wp_filter[$tag])) {
$functions = $wp_filter[$tag];
if (is_array($functions)) {
foreach($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($function_to_add);
// So the format is wp_filter['tag']['array of priorities']['array of functions']
if (!@in_array($function_to_add, $wp_filter[$tag]["$priority"])) {
$wp_filter[$tag]["$priority"][] = $function_to_add;
}
return true;
}
function remove_filter($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 */
function get_search_query_terms($engine = 'google') {
global $s, $s_array;