how to extract

to all guru

how can i extract the value of my field (4 digits) that user inputted in my form

eg. 0001
output is 1?
0201
output is 201

0023
output is 23

1245
output is 1245

$string = '0001';
$int = (int) $string;
echo $int; // outputs 1

Additionally, you may want to check out [man]intval/man.

dont cross post