Function Reference/wp cache delete

Description

Removes the cache contents matching key and group.

Usage
<?php wp_cache_delete( $key, $group ); ?>
Parameters
$key
(int/string) (required) the key to indicate the value.

Default: None
$group
(string) (optional) this is a way of grouping data within the cache. Allows you to use the same key across different groups.

Default: None
Return

True on successful removal, false on failure

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