W3cubDocs

/WordPress

WP_Hook::offsetExists( mixed $offset )

Determines whether an offset value exists.

Parameters

$offset

(mixed) (Required) An offset to check for.

Return

(bool) True if the offset exists, false otherwise.

Source

File: wp-includes/class-wp-hook.php

public function offsetExists( $offset ) {
		return isset( $this->callbacks[ $offset ] );
	}

Changelog

Version Description
4.7.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_hook/offsetexists