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<?php
/**
* Core Cache implements an object cache.
*
* The Object Cache stores all of the cache data to memory only for the duration of the request.
*
* @package Core\Cache
*/
if ( ! function_exists( 'et_core_cache_add' ) ) :
/**
* Adds data to the cache if it doesn't already exist.
*
* @since 1.0.0
*
* @param int|string $key What to call the contents in the cache.
* @param mixed $data The contents to store in the cache.
* @param string $group Optional. Where to group the cache contents. Default 'default'.
* @return bool False if cache key and group already exist, true on success
*/
function et_core_cache_add( $key, $data, $group = '' ) {
return ET_Core_Cache::add( $key, $data, $group );
}
endif;
if ( ! function_exists( 'et_core_cache_set' ) ) :
/**
* Sets the data contents into the cache.
*
* The cache contents is grouped by the $group parameter followed by the
* $key. This allows for duplicate ids in unique groups.
*
* @since 1.0.0
*
* @param int|string $key What to call the contents in the cache.
* @param mixed $data The contents to store in the cache.
* @param string $group Optional. Where to group the cache contents. Default 'default'.
* @param int $expire Not Used.
* @return true Always returns true.
*/
function et_core_cache_set( $key, $data, $group = '' ) {
return ET_Core_Cache::set( $key, $data, $group );
}
endif;
if ( ! function_exists( 'et_core_cache_get' ) ) :
/**
* Retrieves the cache contents, if it exists.
*
* 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.
*
* @since 1.0.0
*
* @param int|string $key What the contents in the cache are called.
* @param string $group Optional. Where the cache contents are grouped. Default 'default'.
* @return false|mixed False on failure to retrieve contents or the cache contents on success.
*/
function et_core_cache_get( $key, $group = '' ) {
return ET_Core_Cache::get( $key, $group );
}
endif;
if ( ! function_exists( 'et_core_cache_get_group' ) ) :
/**
* Retrieves the cache contents for entire group, if it exists.
*
* If the cache is hit (success) then the contents of the group
* are returned.
*
* @since 1.0.0
*
* @param string $group Where the cache contents are grouped.
* @return false|mixed False on failure to retrieve contents or the cache contents on success.
*/
function et_core_cache_get_group( $group ) {
return ET_Core_Cache::get_group( $group );
}
endif;
if ( ! function_exists( 'et_core_cache_has' ) ) :
/**
* Check the cache contents, if given key and (optional) group exists.
*
* @since 1.0.0
*
* @param int|string $key What the contents in the cache are called.
* @param string $group Optional. Where the cache contents are grouped. Default 'default'.
* @return bool False on failure to retrieve contents or True on success.
*/
function et_core_cache_has( $key, $group = '' ) {
return ET_Core_Cache::has( $key, $group );
}
endif;
if ( ! function_exists( 'et_core_cache_delete' ) ) :
/**
* Removes the contents of the cache key in the group.
*
* If the cache key does not exist in the group, then nothing will happen.
*
* @since 1.0.0
*
* @param int|string $key What the contents in the cache are called.
* @param string $group Optional. Where the cache contents are grouped. Default 'default'.
* @return bool False if the contents weren't deleted and true on success.
*/
function et_core_cache_delete( $key, $group = '' ) {
return ET_Core_Cache::delete( $key, $group );
}
endif;
if ( ! function_exists( 'et_core_cache_flush' ) ) :
/**
* Clears the object cache of all data.
*
* @since 1.0.0
* @return true Always returns true.
*/
function et_core_cache_flush() {
return ET_Core_Cache::flush();
}
endif;