3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = urldecode("/etc/aa%00a/../passwd"); readfile($f);
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: readfile(): Argument #1 ($filename) must not contain any null bytes in /in/fNA69:3 Stack trace: #0 /in/fNA69(3): readfile('/etc/aa\x00a/../pa...') #1 {main} thrown in /in/fNA69 on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: readfile() expects parameter 1 to be a valid path, string given in /in/fNA69 on line 3
Output for 5.3.4 - 5.3.29
Output for 4.3.2 - 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 - 5.3.3
Warning: readfile(/etc/aa): failed to open stream: No such file or directory in /in/fNA69 on line 3
Output for 4.3.0 - 4.3.1
Warning: readfile(/etc/aa) [http://www.php.net/function.readfile]: failed to create stream: No such file or directory in /in/fNA69 on line 3

preferences:
288.96 ms | 401 KiB | 417 Q