PHP – Random
June 4th, 2011
function random($length = 10)
{
/*
* Random the key a to Z and 0 – 9
*/
$key = array(“a”, “b”, “c”, “d”, “e”, “f”, “g”, “h”, “i”, “j”, “k”, “l”, “m”, “n”, “o”, “p”, “q”, “r”, “s”, “t”, “u”, “v”, “w”, “x”, “y”, “z”,
“A”, “B”, “C”, “D”, “E”, “F”, “G”, “H”, “I”, “J”, “K”, “L”, “M”, “N”, “O”, “P”, “Q”, “R”, “S”, “T”, “U”, “V”, “W”, “X”, “Y”, “Z”,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
$maxLength = sizeof($key);
$output = “”;
if($length > 0) {
for($i = 0; $i <$length; $i++) {
$output .= $key[rand(0,$maxLength-1)];
}
}return $output;
}