Someone

$numplate = "";$chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";for ($i = 0; $i == 3; $i++){    $pos = rand(0, strlen($chars)-1);    $numplate .= $chars{$pos};    echo "$numplate";}$chars2 = "0123456789";for ($i = 0; $i == 3; $i++){    $pos2 = rand(0, strlen($chars2)-1);    $numplate .= $chars2{$pos2};}echo "<br>Numberplate is $numplate<br>";