This code finds mirrors into a sequence string. It takes as parameter one start and one end.
public function sequenceanalysis(SequenceInterface $sequenceManager) { $oSequence = new Sequence(); $oSequence->setSequence("AGGGAATTAAGTAAATGGTAGTGG"); $sequenceManager->setSequence($oSequence); $aMirrors = $sequenceManager->findMirror(null, 6, 8, "E"); return $this->render('default/sequenceanalysis.html.twig', array('mirrors' => $aMirrors) ); }