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Summery Summery
Removes the contents of the cache key in the group.
Syntax Syntax
Description Description
If the cache key does not exist in the group, then nothing will happen.
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'
- $deprecated
-
(Optional) Unused.
Default value: false
Return Return
(bool) False if the contents weren't deleted and true on success.
Source Source
File: wp-includes/class-wp-object-cache.php
public function delete( $key, $group = 'default', $deprecated = false ) {
if ( empty( $group ) ) {
$group = 'default';
}
if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) ) {
$key = $this->blog_prefix . $key;
}
if ( ! $this->_exists( $key, $group ) ) {
return false;
}
unset( $this->cache[ $group ][ $key ] );
return true;
}
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Changelog Changelog
| Version | Description |
|---|---|
| 2.0.0 | Introduced. |