wpseek.com
A WordPress-centric search engine for devs and theme authors



has_action › WordPress Function

Since2.5.0
Deprecatedn/a
has_action ( $hook_name, $callback = false )
Parameters: (2)
  • (string) $hook_name The name of the action hook.
    Required: Yes
  • (callable|false) $callback Optional. The callback to check for. Default false.
    Required: No
    Default: false
See:
Returns:
  • (bool|int) If `$callback` is omitted, returns boolean for whether the hook has anything registered. When checking a specific function, the priority of that hook is returned, or false if the function is not attached.
Defined at:
Codex:

Checks if any action has been registered for a hook.

When using the $callback argument, this function may return a non-boolean value that evaluates to false (e.g. 0), so use the === operator for testing the return value.


Source

function has_action( $hook_name, $callback = false ) {
	return has_filter( $hook_name, $callback );
}