PHP - Add leading zeros to number but keep maximum length

Question

I have an Auto-Increment field in a database.

I want these numbers to be prepended by zeros, to a maximum length of seven.

Example:

Original number: 1 Desired result: 0000001

or

Original number 768 Desired result 0000768

How would I achieve this in PHP?

Possible duplicate of [Zero-pad digits in string](https://stackoverflow.com/questions/324358/zero-pad-digits-in-string) — ShiraNai7, Jul 08 '17 at 12:51

score 7 · Accepted Answer · edited Jul 31 '20 at 15:08

7

Use str_pad function of PHP

$input = 1;
$number = str_pad($input, 7, "0", STR_PAD_LEFT);

edited Jul 31 '20 at 15:08

paaacman

answered Jul 08 '17 at 12:50

B. Desai

score 2 · Answer 2 · answered Jul 08 '17 at 12:51

2

sprintf has this build in:

$number = sprintf("%07d", $input)

answered Jul 08 '17 at 12:51

colburton

2 Answers2