Browscap\Writer\IniWriter::renderHeader PHP Method

    public function renderHeader(array $comments = [])
    {
        if ($this->isSilent()) {
            return $this;
        }
        $this->getLogger()->debug('rendering comments');
        foreach ($comments as $comment) {
            fputs($this->file, ';;; ' . $comment . PHP_EOL);
        }
        fputs($this->file, PHP_EOL);
        return $this;
    }

 /**
  * tests rendering the header information
  *
  * @group writer
  * @group sourcetest
  */
 public function testRenderHeaderIfNotSilent()
 {
     $logger = $this->createMock(\Monolog\Logger::class);
     $this->object->setLogger($logger);
     $header = ['TestData to be renderd into the Header'];
     $this->object->setSilent(false);
     self::assertSame($this->object, $this->object->renderHeader($header));
     self::assertSame(';;; TestData to be renderd into the Header' . PHP_EOL . PHP_EOL, file_get_contents($this->file));
 }