aveev wrote:
> <?
> function generate_id($num) {
> $start_dig = 4;
> $num_dig = strlen($num);
>
> $id = $num;
> if($num_dig <= $start_dig) {
> $num_zero = $start_dig - $num_dig;
>
> for($i=0;$i< $num_zero; $i++) {
> $id = '0' . $id;
> }
> }
> $id = 'AAA' . $id;
> return $id;
> }
>
> $app_id = generate_id(1);
>
> ?>
Your function can be reduced to a one-liner:
function generate_id($num) {
return 'AAA' . str_pad(strval($num), 4, '0', STR_PAD_LEFT);
}
If the prefix is always 'AAA' you should consider to use a numeric ID
for your database and let your database generate the autoincrement id
and use this function just for display.
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