public function test_hooks()
{
add_action('LP_TEST_HOOK', function ($data) {
return strtoupper($data);
});
$this->assertTrue(has_hook('LP_TEST_HOOK'));
$this->assertEqual(do_action('LP_TEST_HOOK', 'abc'), 'ABC');
remove_hook('LP_TEST_HOOK');
$this->assertFalse(has_hook('LP_TEST_HOOK'));
}
/**
* Adds a procedure to a hook for later execution.
*
* @param hook_name Name of the hook.
* @param hook_function Name of the php function called upon hook trigger.
* @param priority Numeric priority. Lowest means procedure will be executed before.
* @param rollback_function Name of the php rollback function called upon failure.
*/
function add_hook($hook_name, $hook_function, $priority = 0, $rollback_function = null)
{
if (defined('DEBUG_ENABLED') && DEBUG_ENABLED && (($fargs = func_get_args()) || ($fargs = 'NOARGS'))) {
debug_log('Entered (%%)', 257, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
# First, see if the hook function exists.
if (!function_exists($hook_function)) {
system_message(array('title' => _('Hook function does not exist'), 'body' => sprintf('Hook name: %s<br/>Hook function: %s', $hook_name, $hook_function), 'type' => 'warn'));
return;
}
if (!array_key_exists($hook_name, $_SESSION[APPCONFIG]->hooks)) {
$_SESSION[APPCONFIG]->hooks[$hook_name] = array();
}
remove_hook($hook_name, $hook_function, -1, null);
array_push($_SESSION[APPCONFIG]->hooks[$hook_name], array('priority' => $priority, 'hook_function' => $hook_function, 'rollback_function' => $rollback_function));
uasort($_SESSION[APPCONFIG]->hooks[$hook_name], 'sort_array_by_priority');
}
/**
* remove a security filter
* @since 3.4
* @param string $filter_name id of action
* @param string $hook_function function to remove
*/
function remove_secfilter($filter_name, $hook_function)
{
global $secFilters;
return remove_hook($secFilters, $filter_name, $hook_function);
}
