getTmpFileStream(); $this->tempfile = $tempfile; $this->tempfileStream = $tempfileStream; } protected function tearDown(): void { unlink($this->tempfile); if (is_resource($this->tempfileStream)) { fclose($this->tempfileStream); } $this->tempfile = null; $this->tempfileStream = null; } protected function getTmpFileStream(): array { $tmp = tempnam(sys_get_temp_dir(), 'zipstreamtest'); $stream = fopen($tmp, 'wb+'); return [$tmp, $stream]; } }