3v4l.org

run code in 300+ PHP versions simultaneously
<?php // (1) namespace X; // (2) function f(array $o) { return [&$o['v']]; } $v = ['z', 'a']; $a = ['v' => $v]; $args = f($a); call_user_func_array('sort', $args); // Additionally, if the above 2 lines are replaced by the following // line, the bug never appears. //call_user_func_array('sort', f($a));
Output for 7.3.0 - 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
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
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: Parameter 1 to sort() expected to be a reference, value given in /in/QE9Vf on line 15

preferences:
154.86 ms | 402 KiB | 206 Q