public function restore(string $key): self
    {
        if (array_key_exists($key, $this->original)) {
            ini_set($key, $this->original[$key]);
        }

        return $this;
    }
public function restore(string $key): self
    {
        if (array_key_exists($key, $this->original)) {
            ini_set($key, $this->original[$key]);
        }

        return $this;
    }
public function restore ( string $ key ) : self { if ( array_key_exists ( $ key , $ this -> original ) ) { ini_set ( $ key , $ this -> original [ $ key ] ) ; } return $ this ; }
Restore a previous ini setting.

@return $this
Restore a previous ini setting .