how to format number in php with leading zero code example
Example 1: php format int to 9 digits with preceding zeroes
str_pad($input, 9, "0", STR_PAD_LEFT);
Example 2: format a number with leading zeros in php
sprintf('%06d', '12')
str_pad($input, 9, "0", STR_PAD_LEFT);
sprintf('%06d', '12')