3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $mykey = "\x00" . uniqid(); $var[$mykey] = TRUE; foreach($var as $key => $val) { if ($key === $mykey) { echo 'You got it right'; } else { echo 'You got it wrong'; } }
based on eFp31
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/MdfP3 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/MdfP3 on line 2 You got it wrong