3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = uniqid(); $b = uniqid(); echo $a===$b;
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Warning: uniqid() expects at least 1 parameter, 0 given in /in/FrZ6m on line 2 Warning: uniqid() expects at least 1 parameter, 0 given in /in/FrZ6m on line 3 1
preferences:
220.8 ms | 402 KiB | 322 Q