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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array (a, b, c); print_r ($a); ?>
Output for 7.2.0
Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/C4WYq on line 2 Warning: Use of undefined constant b - assumed 'b' (this will throw an Error in a future version of PHP) in /in/C4WYq on line 2 Warning: Use of undefined constant c - assumed 'c' (this will throw an Error in a future version of PHP) in /in/C4WYq on line 2 Array ( [0] => a [1] => b [2] => c )
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant a - assumed 'a' in /in/C4WYq on line 2 Notice: Use of undefined constant b - assumed 'b' in /in/C4WYq on line 2 Notice: Use of undefined constant c - assumed 'c' in /in/C4WYq on line 2 Array ( [0] => a [1] => b [2] => c )