Random color

Generates a random hex color (like FF00FF).

function random_color(){
    mt_srand((double)microtime()*1000000);
    $c = '';
    while(strlen($c)<6){
        $c .= sprintf("%02X", mt_rand(0, 255));
    }
    return $c;
}
random_color() => returns something like: '7C42BA', '5F3964'