- var_dump: documentation ( source)
- decbin: documentation ( source)
- str_pad: documentation ( source)
<?php
$value = 5;
$value = decbin($config->getValue() ?: 0);
while (strlen($value) < 3) {
$value = 0 . $value;
}
$value = str_pad($value, 4 - strlen($value), "0", STR_PAD_LEFT);
var_dump($value);