static public function link_rewrite($str, $utf8_decode = false)
{
$purified = '';
$length = Tools::strlen($str);
if ($utf8_decode)
$str = utf8_decode($str);
for ($i = 0; $i < $length; $i++)
{
$char = Tools::substr($str, $i, 1);
if (Tools::strlen(htmlentities($char)) > 1)
{
$entity = htmlentities($char, ENT_COMPAT, 'UTF-8');
$purified .= $entity{1};
}
elseif (preg_match('|[[:alpha:]]{1}|u', $char))
$purified .= $char;
elseif (preg_match('<[[:digit:]]|-{1}>', $char))
$purified .= $char;
elseif ($char == ' ')
$purified .= '-';
}
// fix //
if (preg_match('/[А-Яа-я]+/', $purified)){
$cyr = array('а', 'б', 'в', 'г', 'д', 'е', 'ё', 'ж', 'з', 'и', 'й', 'к', 'л', 'м', 'н', 'о', 'п', 'р', 'с', 'т', 'у', 'ф', 'х', 'ц', 'ч', 'ш', 'щ', 'ъ', 'ы', 'ь', 'э', 'ю', 'я', ' ','№');
$lat = array('a', 'b', 'v', 'g', 'd', 'e', 'jo', 'zh', 'z', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'r', 's', 't', 'u', 'f', 'h', 'c', 'ch', 'sh', 'sch', '', 'y', '', 'e', 'ju', 'ja', '_','n');
$purified = mb_strtolower($purified, 'utf-8');
$purified = str_replace($cyr, $lat, $purified);
}
// fix //
return trim(self::strtolower($purified));
}