WP_Hook::valid()
[ReturnTypeWillChange]{} It's a method of the class: WP_Hook{}
No Hooks.
Return
null
. Nothing.
Usage
$WP_Hook = new WP_Hook(); $WP_Hook->valid();
Code of WP_Hook::valid() WP Hook::valid WP 6.0
public function valid() { return key( $this->callbacks ) !== null; }