WP_Hook::has_filters()

Checks if any callbacks have been registered for this hook.

Return

(bool) True if callbacks have been registered for the current hook, otherwise false.

Source

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

public function has_filters() {
		foreach ( $this->callbacks as $callbacks ) {
			if ( $callbacks ) {
				return true;
			}
		}

		return false;
	}

Used By

Used By Description
wp-includes/class-wp-hook.php: WP_Hook::has_filter()

Checks if a specific callback has been registered for this hook.

Changelog

Version Description
4.7.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_hook/has_filters