3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 10; $b = 21; echo $a|$b . ' / ' . $a||$b;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: A non-numeric value encountered in /in/HYlYE on line 5 1
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: A non well formed numeric value encountered in /in/HYlYE on line 5 1
Output for 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, 7.3.32 - 7.3.33
1
preferences:
263.16 ms | 403 KiB | 407 Q