Register a callback for a hook

$hook string Required

Hook name

$callback callback Required

Function/method to call on event

$priority int Required

Priority number. <0 is executed earlier, >0 is executed later

File: wp-includes/Requests/Hooks.php. View all references

public function register($hook, $callback, $priority = 0) {
	if (!isset($this->hooks[$hook])) {
		$this->hooks[$hook] = array();
	}
	if (!isset($this->hooks[$hook][$priority])) {
		$this->hooks[$hook][$priority] = array();
	}

	$this->hooks[$hook][$priority][] = $callback;
}