WinCacheBagOStuff.php

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<?php
class WinCacheBagOStuff extends BagOStuff {

    public function get( $key, &$casToken = null ) {
        $val = wincache_ucache_get( $key );

        $casToken = $val;

        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 cas( $casToken, $key, $value, $exptime = 0 ) {
        return wincache_ucache_cas( $key, $casToken, serialize( $value ) );
    }

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

        return true;
    }
}