Display values ​​with leading zeros

Question

I want to display digits with leading 0, for the values ​​of one digit, especially for displaying hours and minutes.

How to do it in PHP?

Answer 1

str_pad($number, 2, '0', STR_PAD_LEFT);

Answer 2

Or take a look at the sprintf () function: http://www.php.net/manual/en/function.sprintf.php

Answer 3

Using $ val = 1;

print "0".$val ;