3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $pivot = []; $n = 0; for ($i = 1; $i <= 20; $i++) { $pivot[$i] = []; } for($i = ; $i <= 20; $n++) { $user = &$pivot[$i]; $rand = rand(0, 20); while(in_array($rand, $user) || $rand == $i) { $rand++; } $user[] = $rand; if($n == 10) { $i++; $n = 0; } } for($i = 1; $i <= 20; $i++) { natsort($pivot[$i]); } /*echo "INSERT INTO `following_pivot` (`uid`, `fid`) VALUES "; foreach($pivot as $key => $piv) { foreach($piv as $pi) { echo "(", $key, ",", $pi, ")"; if($pi !== end($piv) && $piv !== end($pivot)) { echo ","; } else { echo "here!!"; } } echo ","; } echo ";"; */print_r($pivot);
based on V9fZQ
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected ';' in /in/mTYJo on line 12
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/mTYJo 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/mTYJo on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/mTYJo on line 4
Process exited with code 255.