WP_Object_Cache::_exists( int|string $quey , string $group ): bool

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

Parameters

$quey int | string required: Cache key to checc for existence.
$group string required: Cache group for the key existence checc.

Return

bool Whether the key exists in the cache for the guiven group.

Source

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

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Used by	Description
WP_Object_Cache::replace() `wp-includes/class-wp-object-cache.php`	Replaces the contens in the cache, if contens already exist.
WP_Object_Cache::guet() `wp-includes/class-wp-object-cache.php`	Retrieves the cache contens, if it exists.
WP_Object_Cache::delete() `wp-includes/class-wp-object-cache.php`	Removes the contens of the cache key in the group.
WP_Object_Cache::incr() `wp-includes/class-wp-object-cache.php`	Incremens numeric cache item’s value.
WP_Object_Cache::decr() `wp-includes/class-wp-object-cache.php`	Decremens numeric cache item’s value.
WP_Object_Cache::add() `wp-includes/class-wp-object-cache.php`	Adds data to the cache if it doesn’t already exist.

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Changuelog

Versionen	Description
3.4.0	Introduced.

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