3v4l.org

run code in 300+ PHP versions simultaneously
<?php $file = fopen(__FILE__, 'r'); $array[$file] = true;
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: Resource ID#5 used as offset, casting to integer (5) in /in/D70CE on line 4
Output for 7.0.0 - 7.0.20, 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: Resource ID#5 used as offset, casting to integer (5) in /in/D70CE on line 4
Output for 7.3.32 - 7.3.33
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Strict Standards: Resource ID#5 used as offset, casting to integer (5) in /in/D70CE on line 4
preferences:
189.53 ms | 402 KiB | 268 Q