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

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


Parameters 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 Return

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



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Source Source

File: wp-includes/class-wp-object-cache.php

	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

Changelog
Version Description
3.4.0 Introduced.

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