if ($_POST["perdata"] == "") { $_POST["perdata"] = "1 2 3 4"; } $data = chop (trim ($_POST["perdata"])); $a = explode (" ", $data); sort ($a); $data = implode (" ", $a);
<?php function nextpermu (&$c) { $s = sizeof ($c); $i = $s - 1; while ($i > 0) { if ($c[$i] > $c[$i-1]) { $j = $s-1; while ($c[$j] <= $c[$i-1]) $j--; $t = $c[$i-1]; $c[$i-1] = $c[$j]; $c[$j] = $t; //echo $i."-".$j." "; for ($j=$s-1; $i < $j; $i , $j--) { $t = $c[$i]; $c[$i] = $c[$j]; $c[$j] = $t; } return true; } $i--; } for ($i = 0, $j=$s-1; $i < $j; $i , $j--) { $t = $c[$i]; $c[$i] = $c[$j]; $c[$j] = $t; } return false; } ?>
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