WinCacheBagOStuff.php

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<?php
class WinCacheBagOStuff extends BagOStuff {

        public function get( $key ) {
                $val = wincache_ucache_get( $key );

                if ( is_string( $val ) ) {
                        $val = unserialize( $val );
                }

                return $val;
        }

        public function set( $key, $value, $expire = 0 ) {
                $result = wincache_ucache_set( $key, serialize( $value ), $expire );

                /* wincache_ucache_set returns an empty array on success if $value
                   was an array, bool otherwise */
                return ( is_array( $result ) && $result === array() ) || $result;
        }

        public function delete( $key, $time = 0 ) {
                wincache_ucache_delete( $key );

                return true;
        }

        public function keys() {
                $info = wincache_ucache_info();
                $list = $info['ucache_entries'];
                $keys = array();

                if ( is_null( $list ) ) {
                        return array();
                }

                foreach ( $list as $entry ) {
                        $keys[] = $entry['key_name'];
                }

                return $keys;
        }
}