* @param mixed $data The data to add to the cache store
* @param string $group The group to add the cache to
* @param int $expire When the cache data should be expired
- * @return unknown
+ * @return bool False if cache key and group already exist, true on success
*/
-function wp_cache_add($key, $data, $group = '', $expire = 0) {
+function wp_cache_add( $key, $data, $group = '', $expire = 0 ) {
global $wp_object_cache;
- return $wp_object_cache->add($key, $data, $group, $expire);
+ return $wp_object_cache->add( $key, $data, $group, (int) $expire );
}
/**
* @uses $wp_object_cache Object Cache Class
* @see WP_Object_Cache::flush()
*
- * @return bool Always returns true
+ * @return bool False on failure, true on success
*/
function wp_cache_flush() {
global $wp_object_cache;
* @param mixed $data The contents to store in the cache
* @param string $group Where to group the cache contents
* @param int $expire When to expire the cache contents
- * @return bool False if cache key and group already exist, true on success
+ * @return bool False if not exists, true if contents were replaced
*/
-function wp_cache_replace($key, $data, $group = '', $expire = 0) {
+function wp_cache_replace( $key, $data, $group = '', $expire = 0 ) {
global $wp_object_cache;
- return $wp_object_cache->replace($key, $data, $group, $expire);
+ return $wp_object_cache->replace( $key, $data, $group, (int) $expire );
}
/**
* @param mixed $data The contents to store in the cache
* @param string $group Where to group the cache contents
* @param int $expire When to expire the cache contents
- * @return bool False if cache key and group already exist, true on success
+ * @return bool False on failure, true on success
*/
-function wp_cache_set($key, $data, $group = '', $expire = 0) {
+function wp_cache_set( $key, $data, $group = '', $expire = 0 ) {
global $wp_object_cache;
- return $wp_object_cache->set($key, $data, $group, $expire);
+ return $wp_object_cache->set( $key, $data, $group, (int) $expire );
}
/**
* @param int $expire When to expire the cache contents
* @return bool False if cache key and group already exist, true on success
*/
- function add( $key, $data, $group = 'default', $expire = '' ) {
+ function add( $key, $data, $group = 'default', $expire = 0 ) {
if ( wp_suspend_cache_addition() )
return false;
if ( $this->_exists( $id, $group ) )
return false;
- return $this->set($key, $data, $group, $expire);
+ return $this->set( $key, $data, $group, (int) $expire );
}
/**
* @param int $expire When to expire the cache contents
* @return bool False if not exists, true if contents were replaced
*/
- function replace( $key, $data, $group = 'default', $expire = '' ) {
+ function replace( $key, $data, $group = 'default', $expire = 0 ) {
if ( empty( $group ) )
$group = 'default';
if ( ! $this->_exists( $id, $group ) )
return false;
- return $this->set( $key, $data, $group, $expire );
+ return $this->set( $key, $data, $group, (int) $expire );
}
/**
* @param int $expire Not Used
* @return bool Always returns true
*/
- function set($key, $data, $group = 'default', $expire = '') {
+ function set( $key, $data, $group = 'default', $expire = 0 ) {
if ( empty( $group ) )
$group = 'default';