3v4l.org

run code in 300+ PHP versions simultaneously
<?php try { fopen('php://temp/maxmemory:-1', 'w+'); } catch (Throwable $e) { echo "Catch\n"; }
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Catch
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33
Warning: fopen(php://temp/maxmemory:-1): failed to open stream: operation failed in /in/2IXCS on line 5 Catch
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
Catchable fatal error: fopen(): Max memory must be >= 0 in /in/2IXCS on line 5
Process exited with code 255.
preferences:
205.88 ms | 402 KiB | 226 Q