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Summery Summery
Replaces the contents in the cache, if contents already exist.
Syntax Syntax
Parameters Parameters
- $key
-
(Required) What to call the contents in the cache.
- $data
-
(Required) The contents to store in the cache.
- $group
-
(Optional) Where to group the cache contents. Default 'default'.
Default value: 'default'
- $expire
-
(Optional) When to expire the cache contents. Default 0 (no expiration).
Return Return
(bool) False if not exists, true if contents were replaced.
Source Source
File: wp-includes/class-wp-object-cache.php
if ( $this->cache[ $group ][ $key ] < 0 ) {
$this->cache[ $group ][ $key ] = 0;
}
return $this->cache[ $group ][ $key ];
}
/**
* Replaces the contents in the cache, if contents already exist.
*
* @since 2.0.0
*
* @see WP_Object_Cache::set()
*
* @param int|string $key What to call the contents in the cache.
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Changelog Changelog
| Version | Description |
|---|---|
| 2.0.0 | Introduced. |