PHP Unique Random Numbers

Question

What would be a good way to generate 7 unique random numbers between 1 and 10. I can\'t have any duplicates. I could write a chunk of PHP to do this (using rand() and pushin

Answer 1

Check out the comments in the php manual, there are several solutions for this.

An easy one is this one:

$min = 1;
$max = 10;
$total = 7;
$rand = array();
while (count($rand) < $total ) {
    $r = mt_rand($min,$max);
    if (!in_array($r,$rand)) $rand[] = $r;
}