WP_Object_Cache::_exists() │ protected │ WP 3.4.0

Serves as a utility function to determine whether a key exists in the cache.

Method of the class: WP_Object_Cache{}

No Hooks.

Return

true|false. Whether the key exists in the cache for the given group.

Usage

// protected - for code of main (parent) or child class
$result = $this->_exists( $key, $group );

$key(int|string) (required)

Cache key to check for existence.

$group(string) (required)

Cache group for the key existence check.

Changelog

WP_Object_Cache::_exists() WP Object Cache:: exists code ^{WP 6.6.2}

protected function _exists( $key, $group ) {
	return isset( $this->cache[ $group ] ) && ( isset( $this->cache[ $group ][ $key ] ) || array_key_exists( $key, $this->cache[ $group ] ) );
}