AE Fix dùm lỗi tràn bộ nhớ

    public static function getTagInner( $html, $tag, $ftag, $n = 0 ) {
        $a    = explode( $ftag, $html );
        $ctag = "</{$tag}>";
        $b    = explode( $ctag, $a[1] );
        $k    = $b[0] . $ctag;
        if ( $n > 0 ) {
            for ( $i = 1; $i <= $n; $i ++ ) {
                $k .= $b[$i] . $ctag;
            }
        }
        $c  = explode( "<{$tag}", $k );
        $cc = count( $c ) - 1;
        if ( $cc > $n ) {
            $n += $cc - $n;
            $res = self::getTagInner( $html, $tag, $ftag, $n );
        } else {
            $res = $ftag . $k;
        }</p>
<p>return $res;
    }