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run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array ( '_id' => 1, 'month' => 052014, 'studId' => STU140528155358, 1 => 'p', 2 => null, 3 => null,4 => null,12 => 'a' ); var_dump($array[3]);
Output for 4.3.0 - 7.1.0
Notice: Use of undefined constant STU140528155358 - assumed 'STU140528155358' in /in/Alvn7 on line 4 NULL