Online PHP editor | refs for NTaTu

<?php $pivot = []; $n = 0; for ($i = 1; $i <= 20; $i++) { $pivot[$i] = []; } for($i = 1; $i <= 20; $n++) { $user = &$pivot[$i]; $rand = rand(0, 20); while(array_key_exists($rand, $user) || $rand == $i) { $rand++; } $user[] = $random; if($n == 10) { $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);