3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a(int $i = 4, bool $addon = false) { var_dump($i); if ($addon) { echo 'Pridavek' . PHP_EOL; } } a(); a(5); a('7'); a(2, true); a(9, 4);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 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
int(4) int(5) int(7) int(2) Pridavek int(9) Pridavek
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 int(4) int(5) int(7) int(2) Pridavek int(9) Pridavek
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Fatal error: Default value for parameters with a class type hint can only be NULL in /in/a0IpJ on line 3
Process exited with code 255.

preferences:
148.82 ms | 402 KiB | 180 Q