3v4l.org

run code in 300+ PHP versions simultaneously
<?php fopen("/dev/null\0.test", 'r');
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
Fatal error: Uncaught ValueError: fopen(): Argument #1 ($filename) must not contain any null bytes in /in/kEhvp:3 Stack trace: #0 /in/kEhvp(3): fopen('/dev/null\x00.test', 'r') #1 {main} thrown in /in/kEhvp on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: fopen() expects parameter 1 to be a valid path, string given in /in/kEhvp on line 3
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29

preferences:
228.72 ms | 403 KiB | 360 Q