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Introduce wp_cache_incr() and wp_cache_decr(). fixes #18494 

git-svn-id: https://develop.svn.wordpress.org/trunk@18580 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2011-08-22 17:39:44 +00:00
parent 41c6f84cd9
commit ee123a28d5
1 changed files with 90 additions and 0 deletions
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90
wp-includes/cache.php
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@ -43,6 +43,24 @@ function wp_cache_close() {
return true;
}
/**
* Decrement numeric cache item's value
*
* @since 3.3.0
* @uses $wp_object_cache Object Cache Class
* @see WP_Object_Cache::decr()
*
* @param int|string $key The cache ID to increment
* @param int $offset The amount by which to decrement the item's value. Default is 1.
* @param string $flag The group the key is in.
* @return false|int False on failure, the item's new value on success.
*/
function wp_cache_decr( $key, $offset = 1, $flag = '' ) {
global $wp_object_cache;
return $wp_object_cache->decr( $key, $offset, $flag );
}
/**
* Removes the cache contents matching ID and flag.
*
@ -93,6 +111,24 @@ function wp_cache_get($id, $flag = '') {
return $wp_object_cache->get($id, $flag);
}
/**
* Increment numeric cache item's value
*
* @since 3.3.0
* @uses $wp_object_cache Object Cache Class
* @see WP_Object_Cache::incr()
*
* @param int|string $key The cache ID to increment
* @param int $offset The amount by which to increment the item's value. Default is 1.
* @param string $flag The group the key is in.
* @return false|int False on failure, the item's new value on success.
*/
function wp_cache_incr( $key, $offset = 1, $flag = '' ) {
global $wp_object_cache;
return $wp_object_cache->incr( $key, $offset, $flag );
}
/**
* Sets up Object Cache Global and assigns it.
*
@ -280,6 +316,33 @@ class WP_Object_Cache {
$this->global_groups = array_unique($this->global_groups);
}
/**
* Decrement numeric cache item's value
*
* @since 3.3.0
*
* @param int|string $id The cache ID to increment
* @param int $offset The amount by which to decrement the item's value. Default is 1.
* @param string $flag The group the key is in.
* @return false|int False on failure, the item's new value on success.
*/
function decr( $id, $offset = 1, $group = 'default' ) {
if ( ! isset( $this->cache[ $group ][ $id ] ) )
return false;
if ( ! is_numeric( $this->cache[ $group ][ $id ] ) )
$this->cache[ $group ][ $id ] = 0;
$offset = (int) $offset;
$this->cache[ $group ][ $id ] -= $offset;
if ( $this->cache[ $group ][ $id ] < 0 )
$this->cache[ $group ][ $id ] = 0;
return $this->cache[ $group ][ $id ];
}
/**
* Remove the contents of the cache ID in the group
*
@ -363,6 +426,33 @@ class WP_Object_Cache {
return false;
}
/**
* Increment numeric cache item's value
*
* @since 3.3.0
*
* @param int|string $id The cache ID to increment
* @param int $offset The amount by which to increment the item's value. Default is 1.
* @param string $flag The group the key is in.
* @return false|int False on failure, the item's new value on success.
*/
function incr( $id, $offset = 1, $group = 'default' ) {
if ( ! isset( $this->cache[ $group ][ $id ] ) )
return false;
if ( ! is_numeric( $this->cache[ $group ][ $id ] ) )
$this->cache[ $group ][ $id ] = 0;
$offset = (int) $offset;
$this->cache[ $group ][ $id ] += $offset;
if ( $this->cache[ $group ][ $id ] < 0 )
$this->cache[ $group ][ $id ] = 0;
return $this->cache[ $group ][ $id ];
}
/**
* Replace the contents in the cache, if contents already exist
*