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

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


Parameters

$key int|string Required
Cache key to check for existence.
$group string Required
Cache group for the key existence check.

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Return

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


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Source

File: wp-includes/class-wp-object-cache.php. View all references

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


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Changelog

Changelog
Version Description
3.4.0 Introduced.

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