public function test_has_filter_with_wrong_callback()
{
$callback = '__return_null';
$hook = new WP_Hook();
$tag = __FUNCTION__;
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$hook->add_filter($tag, $callback, $priority, $accepted_args);
$this->assertFalse($hook->has_filter($tag, '__return_false'));
}
public function test_not_has_filter_with_directly_removed_callback()
{
$callback = '__return_null';
$hook = new WP_Hook();
$tag = __FUNCTION__;
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$hook->add_filter($tag, $callback, $priority, $accepted_args);
$function_key = _wp_filter_build_unique_id($tag, $callback, $priority);
unset($hook->callbacks[$priority][$function_key]);
$this->assertFalse($hook->has_filters());
}
public function test_remove_filter_with_another_at_different_priority()
{
$callback_one = '__return_null';
$callback_two = '__return_false';
$hook = new WP_Hook();
$tag = rand_str();
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$hook->add_filter($tag, $callback_one, $priority, $accepted_args);
$hook->add_filter($tag, $callback_two, $priority + 1, $accepted_args);
$hook->remove_filter($tag, $callback_one, $priority);
$this->assertFalse(isset($hook->callbacks[$priority]));
$this->assertCount(1, $hook->callbacks[$priority + 1]);
}
public function test_do_all_hook_with_multiple_calls()
{
$a = new MockAction();
$callback = array($a, 'action');
$hook = new WP_Hook();
$tag = 'all';
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$arg = rand_str();
$hook->add_filter($tag, $callback, $priority, $accepted_args);
$args = array($arg);
$hook->do_all_hook($args);
$hook->do_all_hook($args);
$this->assertEquals(2, $a->get_call_count());
}
public function test_apply_filters_with_multiple_calls()
{
$a = new MockAction();
$callback = array($a, 'filter');
$hook = new WP_Hook();
$tag = rand_str();
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$arg = rand_str();
$hook->add_filter($tag, $callback, $priority, $accepted_args);
$returned_one = $hook->apply_filters($arg, array($arg));
$returned_two = $hook->apply_filters($returned_one, array($returned_one));
$this->assertEquals($returned_two, $arg);
$this->assertEquals(2, $a->get_call_count());
}
public function test_array_to_hooks()
{
$tag1 = rand_str();
$priority1 = rand(1, 100);
$tag2 = rand_str();
$priority2 = rand(1, 100);
$filters = array($tag1 => array($priority1 => array('test1' => array('function' => '__return_false', 'accepted_args' => 2))), $tag2 => array($priority2 => array('test1' => array('function' => '__return_null', 'accepted_args' => 1))));
$hooks = WP_Hook::build_preinitialized_hooks($filters);
$this->assertEquals($priority1, $hooks[$tag1]->has_filter($tag1, '__return_false'));
$this->assertEquals($priority2, $hooks[$tag2]->has_filter($tag2, '__return_null'));
}
public function test_foreach()
{
$callback_one = '__return_null';
$callback_two = '__return_false';
$hook = new WP_Hook();
$tag = __FUNCTION__;
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$hook->add_filter($tag, $callback_one, $priority, $accepted_args);
$hook->add_filter($tag, $callback_two, $priority + 1, $accepted_args);
$functions = array();
$priorities = array();
foreach ($hook as $key => $callbacks) {
$priorities[] = $key;
foreach ($callbacks as $function_index => $the_) {
$functions[] = $the_['function'];
}
}
$this->assertEqualSets(array($priority, $priority + 1), $priorities);
$this->assertEqualSets(array($callback_one, $callback_two), $functions);
}
public function test_remove_all_filters_with_priority()
{
$callback_one = '__return_null';
$callback_two = '__return_false';
$hook = new WP_Hook();
$tag = rand_str();
$priority = rand(1, 100);
$accepted_args = rand(1, 100);
$hook->add_filter($tag, $callback_one, $priority, $accepted_args);
$hook->add_filter($tag, $callback_two, $priority + 1, $accepted_args);
$hook->remove_all_filters($priority);
$this->assertFalse($hook->has_filter($tag, $callback_one));
$this->assertTrue($hook->has_filters());
$this->assertEquals($priority + 1, $hook->has_filter($tag, $callback_two));
}
/**
* Normalizes filters set up before WordPress has initialized to WP_Hook objects.
*
* @since 4.7.0
* @access public
* @static
*
* @param array $filters Filters to normalize.
* @return WP_Hook[] Array of normalized filters.
*/
public static function build_preinitialized_hooks($filters)
{
/** @var WP_Hook[] $normalized */
$normalized = array();
foreach ($filters as $tag => $callback_groups) {
if (is_object($callback_groups) && $callback_groups instanceof WP_Hook) {
$normalized[$tag] = $callback_groups;
continue;
}
$hook = new WP_Hook();
// Loop through callback groups.
foreach ($callback_groups as $priority => $callbacks) {
// Loop through callbacks.
foreach ($callbacks as $cb) {
$hook->add_filter($tag, $cb['function'], $priority, $cb['accepted_args']);
}
}
$normalized[$tag] = $hook;
}
return $normalized;
}
public function test_do_action_with_more_accepted_args()
{
$callback = array($this, '_action_callback');
$hook = new WP_Hook();
$tag = __FUNCTION__;
$priority = rand(1, 100);
$accepted_args = 1000;
$arg = __FUNCTION__ . '_arg';
$hook->add_filter($tag, $callback, $priority, $accepted_args);
$hook->do_action(array($arg));
$this->assertCount(1, $this->events[0]['args']);
}
public function test_sort_after_add_filter()
{
$a = new MockAction();
$b = new MockAction();
$c = new MockAction();
$hook = new WP_Hook();
$tag = rand_str();
$hook->add_filter($tag, array($a, 'action'), 10, 1);
$hook->add_filter($tag, array($b, 'action'), 5, 1);
$hook->add_filter($tag, array($c, 'action'), 8, 1);
$this->assertEquals(array(5, 8, 10), array_keys($hook->callbacks));
}
*
* Also see the {@link https://codex.wordpress.org/Plugin_API Plugin API} for
* more information and examples on how to use a lot of these functions.
*
* This file should have no external dependencies.
*
* @package WordPress
* @subpackage Plugin
* @since 1.5.0
*/
// Initialize the filter globals.
require dirname(__FILE__) . '/class-wp-hook.php';
/** @var WP_Hook[] $wp_filter */
global $wp_filter, $wp_actions, $wp_current_filter;
if ($wp_filter) {
$wp_filter = WP_Hook::build_preinitialized_hooks($wp_filter);
} else {
$wp_filter = array();
}
if (!isset($wp_actions)) {
$wp_actions = array();
}
if (!isset($wp_current_filter)) {
$wp_current_filter = array();
}
/**
* Hook a function or method to a specific filter action.
*
* WordPress offers filter hooks to allow plugins to modify
* various types of internal data at runtime.
*
/**
* Start the WordPress object cache.
*
* If an object-cache.php file exists in the wp-content directory,
* it uses that drop-in as an external object cache.
*
* @since 3.0.0
* @access private
*/
function wp_start_object_cache()
{
global $wp_filter;
$first_init = false;
if (!function_exists('wp_cache_init')) {
if (file_exists(WP_CONTENT_DIR . '/object-cache.php')) {
require_once WP_CONTENT_DIR . '/object-cache.php';
if (function_exists('wp_cache_init')) {
wp_using_ext_object_cache(true);
}
// Re-initialize any hooks added manually by object-cache.php
if ($wp_filter) {
$wp_filter = WP_Hook::build_preinitialized_hooks($wp_filter);
}
}
$first_init = true;
} elseif (!wp_using_ext_object_cache() && file_exists(WP_CONTENT_DIR . '/object-cache.php')) {
/*
* Sometimes advanced-cache.php can load object-cache.php before
* it is loaded here. This breaks the function_exists check above
* and can result in `$_wp_using_ext_object_cache` being set
* incorrectly. Double check if an external cache exists.
*/
wp_using_ext_object_cache(true);
}
if (!wp_using_ext_object_cache()) {
require_once ABSPATH . WPINC . '/cache.php';
}
/*
* If cache supports reset, reset instead of init if already
* initialized. Reset signals to the cache that global IDs
* have changed and it may need to update keys and cleanup caches.
*/
if (!$first_init && function_exists('wp_cache_switch_to_blog')) {
wp_cache_switch_to_blog(get_current_blog_id());
} elseif (function_exists('wp_cache_init')) {
wp_cache_init();
}
if (function_exists('wp_cache_add_global_groups')) {
wp_cache_add_global_groups(array('users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'site-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites'));
wp_cache_add_non_persistent_groups(array('counts', 'plugins'));
}
}
