3v4l.org

run code in 300+ PHP versions simultaneously
<?php file_get_contents("php://filter/read=string.toupper/resource=file:///etc/passwd\0");
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: file_get_contents(): Argument #1 ($filename) must not contain any null bytes in /in/LoPYZ:2 Stack trace: #0 /in/LoPYZ(2): file_get_contents('php://filter/re...') #1 {main} thrown in /in/LoPYZ on line 2
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 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: file_get_contents() expects parameter 1 to be a valid path, string given in /in/LoPYZ on line 2
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
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9
Warning: file_get_contents(php://filter/read=string.toupper/resource=file:///etc/passwd): failed to open stream: Success in /in/LoPYZ on line 2
Output for 4.3.2
Warning: file_get_contents(php://filter/read=string.toupper/resource=file:///etc/passwd): failed to open stream: Inappropriate ioctl for device in /in/LoPYZ on line 2
Output for 4.3.0 - 4.3.1
Warning: file_get_contents(php://filter/read=string.toupper/resource=file:///etc/passwd) [http://www.php.net/function.file-get-contents]: failed to create stream: Inappropriate ioctl for device in /in/LoPYZ on line 2

preferences:
266.22 ms | 402 KiB | 425 Q