3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $pivot = []; $n = 0; for ($i = 1; $i <= 100; $i++) { $pivot[$i] = []; } for($i = 1; $i <= 100; $n++) { $user = &$pivot[rand($i, 100)]; $rand = rand(0, 100); $random = $rand != $user ? $rand : $rand + 1; while(array_key_exists($random, $user); $user[] = $random; if($n == 100) { $i++; $n = 0; } } print_r($pivot);
based on vUp8p
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected ';' in /in/htWEg on line 16
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/htWEg on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/htWEg on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/htWEg on line 4
Process exited with code 255.