Pętla do określonej liczby z dodaniem zer

<?php
$maxNumber = 99999;
$intLenght = strlen($maxNumber);

for ($number = 0; $number <= $maxNumber; $number++) {
    $lenght = strlen($number);
    $repeat = str_repeat(0, $intLenght - $lenght);
    $test = $repeat . $number;
    echo substr_replace($test, '-', 2, 0) . '<br>';
}