WP_Hook::has_filters() – Method | Developer.WordPress.org

WP_Hook::has_filters(): bool

Checks if any callbacks have been registered for this hook.

Return

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

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

	return false;
}

Used by	Description
WP_Hook::has_filter()`wp-includes/class-wp-hook.php`	Checks if a specific callback has been registered for this hook.

Version	Description
4.7.0	Introduced.

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