Online PHP editor | refs for Ge4t4

<?php $answer_data=["0","1","0"]; $show_data='a:4:{i:0;O:27:"WpProQuiz_Model_AnswerTypes":7:{s:10:"*_answer";s:12:"A . R rahman";s:8:"*_html";b:0;s:10:"*_points";i:1;s:11:"*_correct";b:1;s:14:"*_sortString";s:0:"";s:18:"*_sortStringHtml";b:0;s:10:"*_mapper";N;}i:1;O:27:"WpProQuiz_Model_AnswerTypes":7:{s:10:"*_answer";s:10:"Sonu Nigam";s:8:"*_html";b:0;s:10:"*_points";i:1;s:11:"*_correct";b:0;s:14:"*_sortString";s:0:"";s:18:"*_sortStringHtml";b:0;s:10:"*_mapper";N;}i:2;O:27:"WpProQuiz_Model_AnswerTypes":7:{s:10:"*_answer";s:10:"Lalu Yadav";s:8:"*_html";b:0;s:10:"*_points";i:1;s:11:"*_correct";b:0;s:14:"*_sortString";s:0:"";s:18:"*_sortStringHtml";b:0;s:10:"*_mapper";N;}i:3;O:27:"WpProQuiz_Model_AnswerTypes":7:{s:10:"*_answer";s:14:"Manmohan singh";s:8:"*_html";b:0;s:10:"*_points";i:1;s:11:"*_correct";b:0;s:14:"*_sortString";s:0:"";s:18:"*_sortStringHtml";b:0;s:10:"*_mapper";N;}}'; $user_answer=json_decode($show_data); $answer_index=array_search(1,$user_answer); $answers=unserialize($answer_data); $i=0; $correct_ans=""; $user_ans=""; foreach($answers as $ans) { if($ans->isCorrect()) //$correct_ans=$ans->getAnswer(); if($i==$answer_index) echo $user_ans=$ans->_answer(); $i++; }