src/Adapters/Apc.php
protected function unlock($keys)
    {
        $keys = (array) $keys;
        foreach ($keys as $i => $key) {
            $keys[$i] = "scrapbook.lock.$key";
        }

        $this->apcu_delete($keys);

        return true;
    }
protected function unlock($keys)
    {
        $keys = (array) $keys;
        foreach ($keys as $i => $key) {
            $keys[$i] = "scrapbook.lock.$key";
        }

        $this->apcu_delete($keys);

        return true;
    }
protected function unlock ( $ keys ) { $ keys = ( array ) $ keys ; foreach ( $ keys as $ i => $ key ) { $ keys [ $ i ] = "scrapbook.lock.$key" ; } $ this -> apcu_delete ( $ keys ) ; return true ; }
Release a lock.

@param string|string[] $keys

@return bool
Release a lock .