Online PHP editor | refs for UKt0D

<?php for($i = 0; $i <= 10; $i += 1) { //loop to calculate parameters for substr $randcomb = str_shuffle('a0b1c2d3e4f5g6h7i8j9k0l!m@n#o$p%q^r&s*tuv_w-x=y+zAB:C?|D/E?FGHIJKLMNOPQRSTUVWXYZ0123456789'); //creates a shuffled alphanumeric string //$param1 = ($i+6) - 6; //this formula ensures all integers are positive and above zero //$param2 = $param1 + 6; // this formula ensures all integers increment by 6 spaces //if($param2 >= 60) { //since the second parameter goes over 6 // $param2 = ($param1 + 6) - 6; //subtract 6 //} //$key = substr($randcomb, $param1, $param2); //generate random key //echo $key."<BR>"; //display it for debugging echo substr($randcomb, 0,6)."<BR>"; }