// Check if we're in WP_DEBUG mode.
wp_debug_mode();
/**
* Filters whether to enable loading of the advanced-cache.php drop-in.
*
* This filter runs before it can be used by plugins. It is designed for non-web
* run-times. If false is returned, advance-cache.php will never be loaded.
*
* @since 4.6.0
*
* @param bool $enable_advanced_cache Whether to enable loading advanced-cache.php (if present).
* Default true.
*/
if (WP_CACHE && apply_filters('enable_loading_advanced_cache_dropin', true)) {
// For an advanced caching plugin to use. Uses a static drop-in because you would only want one.
_backup_plugin_globals();
WP_DEBUG ? include WP_CONTENT_DIR . '/advanced-cache.php' : @(include WP_CONTENT_DIR . '/advanced-cache.php');
_restore_plugin_globals();
}
// Define WP_LANG_DIR if not set.
wp_set_lang_dir();
// Load early WordPress files.
require ABSPATH . WPINC . '/compat.php';
require ABSPATH . WPINC . '/functions.php';
require ABSPATH . WPINC . '/class-wp.php';
require ABSPATH . WPINC . '/class-wp-error.php';
require ABSPATH . WPINC . '/pomo/mo.php';
// Include the wpdb class and, if present, a db.php database drop-in.
global $wpdb;
require_wp_db();
// Set the database table prefix and the format specifiers for database table columns.
/**
* Safely restores backed up global variables used for actions and filters.
*
* @since 4.6.0
* @access private
*
* @global array $wp_filter Stores all filters and actions.
* @global array $wp_actions Stores the amount of times an action was triggered.
* @global array $merged_filters Merges the filter hooks using this function.
* @global array $wp_current_filter Stores the list of current filters with the current one last.
* @staticvar array $backup_globals Backed up globals.
*/
function _restore_plugin_globals()
{
global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter;
$backup_globals = _backup_plugin_globals(false);
if (empty($wp_filter)) {
$wp_filter = $backup_globals['backup_wp_filter'];
} else {
$added_filters = $wp_filter;
$wp_filter = $backup_globals['backup_wp_filter'];
foreach ($added_filters as $tag => $callback_groups) {
// Loop through callback groups.
foreach ($callback_groups as $priority => $callbacks) {
// Loop through callbacks.
foreach ($callbacks as $cb) {
add_filter($tag, $cb['function'], $priority, $cb['accepted_args']);
}
}
}
}
if (empty($wp_actions)) {
$wp_actions = $backup_globals['backup_wp_actions'];
} else {
$run_actions = $wp_actions;
$wp_actions = $backup_globals['backup_wp_actions'];
foreach ($run_actions as $action => $count) {
if (!isset($wp_actions[$action])) {
$wp_actions[$action] = 0;
}
$wp_actions[$action] += $count;
}
}
if ($merged_filters !== $backup_globals['backup_merged_filters']) {
$merged_filters = array_merge_recursive($merged_filters, $backup_globals['backup_merged_filters']);
}
if ($wp_current_filter !== $backup_globals['backup_wp_current_filter']) {
$wp_current_filter = array_merge_recursive($wp_current_filter, $backup_globals['backup_wp_current_filter']);
}
}
// Check if we're in WP_DEBUG mode.
wp_debug_mode();
/**
* Filters whether to enable loading of the advanced-cache.php drop-in.
*
* This filter runs before it can be used by plugins. It is designed for non-web
* run-times. If false is returned, advanced-cache.php will never be loaded.
*
* @since 4.6.0
*
* @param bool $enable_advanced_cache Whether to enable loading advanced-cache.php (if present).
* Default true.
*/
if (WP_CACHE && apply_filters('enable_loading_advanced_cache_dropin', true)) {
// For an advanced caching plugin to use. Uses a static drop-in because you would only want one.
_backup_plugin_globals(true);
WP_DEBUG ? include WP_CONTENT_DIR . '/advanced-cache.php' : @(include WP_CONTENT_DIR . '/advanced-cache.php');
_restore_plugin_globals();
}
// Define WP_LANG_DIR if not set.
wp_set_lang_dir();
// Load early WordPress files.
require ABSPATH . WPINC . '/compat.php';
require ABSPATH . WPINC . '/functions.php';
require ABSPATH . WPINC . '/class-wp.php';
require ABSPATH . WPINC . '/class-wp-error.php';
require ABSPATH . WPINC . '/pomo/mo.php';
// Include the wpdb class and, if present, a db.php database drop-in.
global $wpdb;
require_wp_db();
// Set the database table prefix and the format specifiers for database table columns.
/**
* @ticket 36819
*/
function test_restore_plugin_globals_includes_additions()
{
global $wp_filter;
$original_filter = $wp_filter;
$backup = _backup_plugin_globals();
$a = new MockAction();
$tag = rand_str();
add_action($tag, array(&$a, 'action'));
$this->assertNotEquals($GLOBALS['wp_filter'], $original_filter);
_restore_plugin_globals();
$this->assertNotEquals($GLOBALS['wp_filter'], $original_filter);
}
/**
* Safely restore backed up global variables used for actions and filters.
*
* @since 4.6.0
* @access private
*
* @global array $wp_filter Stores all filters and actions.
* @global array $wp_actions Stores the amount of times an action was triggered.
* @global array $merged_filters Merges the filter hooks using this function.
* @global array $wp_current_filter Stores the list of current filters with the current one last.
* @staticvar array $backup_globals Backed up globals.
*/
function _restore_plugin_globals()
{
global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter;
$backup_globals = _backup_plugin_globals();
if ($wp_filter !== $backup_globals['backup_wp_filter']) {
$wp_filter = array_merge_recursive($wp_filter, $backup_globals['backup_wp_filter']);
}
if ($wp_actions !== $backup_globals['backup_wp_actions']) {
$wp_actions = array_merge_recursive($wp_actions, $backup_globals['backup_wp_actions']);
}
if ($merged_filters !== $backup_globals['backup_merged_filters']) {
$merged_filters = array_merge_recursive($merged_filters, $backup_globals['backup_merged_filters']);
}
if ($wp_current_filter !== $backup_globals['backup_wp_current_filter']) {
$wp_current_filter = array_merge_recursive($wp_current_filter, $backup_globals['backup_wp_current_filter']);
}
}
/**
* @ticket 36819
*/
function test_applied_actions_are_counted_after_restore()
{
global $wp_actions;
$action_name = 'this_is_a_fake_action_name';
$this->assertArrayNotHasKey($action_name, $wp_actions);
do_action($action_name);
$this->assertEquals(1, $wp_actions[$action_name]);
_backup_plugin_globals(true);
do_action($action_name);
_restore_plugin_globals();
$this->assertEquals(2, $wp_actions[$action_name]);
}