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run code in 150+ php & hhvm versions
Bugs & Features
<?php $my_key = "\x00" . uniqid(); $var[$my_key] = TRUE; foreach($var as $key => $val) { if ($key === $my_key) { echo 'You got it right'; } else { echo 'You got it wrong'; } }
based on 0P9E8
Output for 5.0.0 - 7.1.0
You got it right
Output for 4.3.3 - 4.4.9
Warning: uniqid() expects at least 1 parameter, 0 given in /in/eFp31 on line 2 You got it right
Output for 4.3.0 - 4.3.2
Warning: uniqid() expects at least 1 parameter, 0 given in /in/eFp31 on line 2 You got it wrong