WP_Object_Cache::incr( int|string $key, int $offset = 1, string $group = 'default' )
Increments numeric cache item’s value.
Parameters
- $key
-
(Required) The cache key to increment
- $offset
-
(Optional) The amount by which to increment the item's value.
Default value: 1
- $group
-
(Optional) The group the key is in. Default 'default'.
Default value: 'default'
Return
(false|int) False on failure, the item's new value on success.
Source
File: wp-includes/cache.php
public function incr( $key, $offset = 1, $group = 'default' ) {
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;
if ( ! is_numeric( $this->cache[ $group ][ $key ] ) )
$this->cache[ $group ][ $key ] = 0;
$offset = (int) $offset;
$this->cache[ $group ][ $key ] += $offset;
if ( $this->cache[ $group ][ $key ] < 0 )
$this->cache[ $group ][ $key ] = 0;
return $this->cache[ $group ][ $key ];
}
Changelog
Version | Description |
---|---|
WP-3.3.0 | Introduced. |