3v4l.org

run code in 300+ PHP versions simultaneously
<?php $metrics = [ 'alloc_inode' => '0f4240', 'close' => '1e8480', 'flock' => '2dc6c0', 'fsync' => '3d0900', 'getattr' => '4c4b40', 'getxattr' => '5b8d80', 'inode_permission' => '6acfc0', 'ioctl' => '7a1200', 'mmap' => '895440', 'open' => '989680', 'seek' => 'a7d8c0', 'setattr' => 'b71b00', 'setxattr' => 'c65d40', 'statfs' => 'd59f80', 'truncate' => 'e4e1c0' ]; dump( array_reduce(array_keys($metrics), function (&$c, $i) { $c = max(strlen($i), $c); }, 0));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 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 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Call to undefined function dump() in /in/FXl0H:17 Stack trace: #0 {main} thrown in /in/FXl0H on line 17
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Call to undefined function dump() in /in/FXl0H:17 Stack trace: #0 {main} thrown in /in/FXl0H on line 17
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to undefined function dump() in /in/FXl0H on line 17
Process exited with code 255.

preferences:
136.78 ms | 401 KiB | 183 Q