MIME::bufMagic PHP Méthode

    protected function bufMagic(&$buf, $pri_min = 0, $pri_max = -1)
    {
        $pos = $this->uint32_at(24);
        list($n, $max_extent, $pos) = $this->nuint32_at($pos, 3);
        for ($i = 0; $i < $n; $i++, $pos += 16) {
            list($pri, $type_off, $n_matchlets, $matchlets_off) = $this->nuint32_at($pos, 4);
            /* entries are sorted by priority */
            if ($pri < $pri_min) {
                break;
            }
            if ($pri_max >= 0 && $pri > $pri_max) {
                continue;
            }
            if ($this->bufMatchlets($buf, $matchlets_off, $n_matchlets)) {
                return $this->string_at($type_off);
            }
        }
    }