A PHP Error was encountered

Severity: Warning

Message: array_key_exists() expects parameter 2 to be array, null given

Filename: helpers/custom_helper.php

Line Number: 151

Backtrace:

File: /home/makemyexam/public_html/app/application/helpers/custom_helper.php
Line: 151
Function: array_key_exists

File: /home/makemyexam/public_html/app/application/modules/web/controllers/Exam_prep.php
Line: 383
Function: file_curl_contents

File: /home/makemyexam/public_html/app/index.php
Line: 325
Function: require_once

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