Online PHP editor | output for KgZou

<?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)) { $random++; } $user[] = $random; if($n == 100) { $i++; $n = 0; } } foreach($pivot as $key => $piv) { echo "INSERT INTO `following_pivot` (`uid`, `fid`) VALUES "; foreach($piv as $pi) { echo "(", $key, ", ", $pi, ")"; if($pi !== end($piv) { echo ";"; } } echo ";"; } //print_r($pivot);