3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(1 + fopen('php://memory', '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 TypeError: Unsupported operand types: int + resource in /in/WefMB:3 Stack trace: #0 {main} thrown in /in/WefMB on line 3
Process exited with code 255.
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
int(6)
Output for 5.1.4 - 5.1.6, 5.2.0 - 5.2.2
int(3)
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.3
Warning: fopen(php://memory): failed to open stream: Success in /in/WefMB on line 3 int(1)
Output for 4.3.2
Warning: fopen(php://memory): failed to open stream: Inappropriate ioctl for device in /in/WefMB on line 3 int(1)
Output for 4.3.0 - 4.3.1
Warning: fopen(php://memory) [http://www.php.net/function.fopen]: failed to create stream: Inappropriate ioctl for device in /in/WefMB on line 3 int(1)

preferences:
237.69 ms | 402 KiB | 310 Q