AgelxNash

<?php
	
$str = 'fD3_';
$chars = array_merge(range('a', 'z'), range('A', 'Z'), range('0', '9'), ['_']);
$total = 0;
$brut = '';
$len = strlen($str);
/**
* @see: https://www.programmingalgorithms.com/algorithm/brute-force?lang=PHP
*/