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run code in 150+ php & hhvm versions
Bugs & Features
<?php $_SESSION['cart'] = array($unique => array('foo')); print_r($_SESSION);
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: unique in /in/1cdrk on line 2 Array ( [cart] => Array ( [] => Array ( [0] => foo ) ) )
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: unique in /in/1cdrk on line 2 Array ( [cart] => Array ( [] => Array ( [0] => foo ) ) )