php left pad

In PHP, you can use the str_pad() function to left pad a string with a specific character or characters. The str_pad() function takes three parameters: the input string, the desired length of the padded string, and the padding character(s).

Here's an example of left padding a string with zeroes:

$input = "123";
$padded = str_pad($input, 5, "0", STR_PAD_LEFT);
echo $padded; // Output: "00123"

In this example, the input string is "123" and we want to pad it with zeroes on the left side to make it a total length of 5 characters. The STR_PAD_LEFT constant is used to specify left padding.

You can replace the "0" character with any other character or characters you want to use for padding.