PHP / MySQL / Linux Stories

class HtmlToPdf {
	const TMP = '/tmp/';
	const EXEC = '/usr/local/bin/wkhtmltopdf-amd64'; //anpassen!
	private $executable;
	private $htmlcode;
	private $tmphtmlfile;
	private $targetFilename;
 
	private $options = array(
		'--ignore-load-errors'
	); //Kommandozeilenoptionen für wkhtmltopdf
 
	public function __construct($targetFilename = ''){
		$this->targetFilename = $targetFilename;
	}
 
	public function setHtmlCode($htmlcode){
		$this->htmlcode = $htmlcode;
	}
 
	public function setTargetFilename($targetFilename){
		$this->targetFilename = $targetFilename;
	}
 
	public function generate(){
		$this->createTempHtmlFile();
		$this->convertHtmlfileToPdf();
		return self::TMP.$this->targetFilename;
	}
 
	private function createTempHtmlFile(){
		$filename = tempnam(self::TMP);
		File::move($filename, $filename.'.html'); //nötig, damit die Datei als Input akzeptiert wird
		$filename .= '.html';
		file_put_contents($filename, $this->htmlcode);
		$this->tmphtmlfile = $filename;
	}
 
	private function convertHtmlfileToPdf(){
		if(!$this->targetFilename){
			$this->generateTargetFilename();
		}
		$cmd = self::EXEC.' '.implode(' ', $this->options).' '.$this->tmphtmlfile.' '.self::TMP.$this->targetFilename;
		shell_exec($cmd);
		File::delete($this->tmphtmlfile);
	}
 
	private function generateTargetFilename(){
		$this->targetFilename = uniqueid().'.pdf';
	}
}

$converter = new HtmlToPdf('output.pdf');
$converter->setHtmlCode($htmlcodeWithCSS);
$pdfFile = $converter->generate()