public function delete_many(array $keys) {
        // Redis needs the hash as the first argument, so we have to put it at the start of the array.
        array_unshift($keys, $this->hash);
        return call_user_func_array(array($this->redis, 'hDel'), $keys);
    }
public function delete_many(array $keys) {
        // Redis needs the hash as the first argument, so we have to put it at the start of the array.
        array_unshift($keys, $this->hash);
        return call_user_func_array(array($this->redis, 'hDel'), $keys);
    }
public function delete_many ( array $ keys ) { // Redis needs the hash as the first argument, so we have to put it at the start of the array. array_unshift ( $ keys , $ this -> hash ) ; return call_user_func_array ( array ( $ this -> redis , 'hDel' ) , $ keys ) ; }
Delete many keys.

@param array $keys The keys to delete.
@return int The number of keys successfully deleted.
Delete many keys .