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Summery Summery
Retrieves the cache contents, if it exists.
Syntax Syntax
Description Description
The contents will be first attempted to be retrieved by searching by the key in the cache group. If the cache is hit (success) then the contents are returned.
On failure, the number of cache misses will be incremented.
Parameters Parameters
- $key
-
(Required) What the contents in the cache are called.
- $group
-
(Optional) Where the cache contents are grouped. Default 'default'.
Default value: 'default'
- $force
-
(Optional) Unused. Whether to force a refetch rather than relying on the local cache.
Default value: false
- $found
-
(Optional) Whether the key was found in the cache (passed by reference). Disambiguates a return of false, a storable value.
Default value: null
Return Return
(mixed|false) The cache contents on success, false on failure to retrieve contents.
Source Source
File: wp-includes/class-wp-object-cache.php
public function get( $key, $group = 'default', $force = false, &$found = null ) {
if ( empty( $group ) ) {
$group = 'default';
}
if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) ) {
$key = $this->blog_prefix . $key;
}
if ( $this->_exists( $key, $group ) ) {
$found = true;
$this->cache_hits += 1;
if ( is_object( $this->cache[ $group ][ $key ] ) ) {
return clone $this->cache[ $group ][ $key ];
} else {
return $this->cache[ $group ][ $key ];
}
}
$found = false;
$this->cache_misses += 1;
return false;
}
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Changelog Changelog
| Version | Description |
|---|---|
| 2.0.0 | Introduced. |