Online PHP editor | refs for oJvQc

<?php class Qualtrics { public $input; public function __construct($input) { $this->input = $input; } public function output(){ if($this->allowedFormat($this->input)) { echo $this->input; } else { echo 'Disallowed Characters'; } } private function multiply($factor){ $this->input *=factor; } private function allowedFormat($qString){ return preg_match("/^[a-z0-9:_/\-]+$/i", $qString); } } $qObject2 = new Qualtrics(10); $qObject2 -> multiply(3); $qObject2 -> output();