正则表达式表格数据转为数组

function get_td_array($table) {

        $table = preg_replace("'<table[^>]*?>'si","",$table);

        $table = preg_replace("'<tr[^>]*?>'si","",$table);

        $table = preg_replace("'<td[^>]*?>'si","",$table);

        $table = str_replace("</tr>","{tr}",$table);

        $table = str_replace("</td>","{td}",$table);

        //去掉 HTML 标记

        $table = preg_replace("'<[/!]*?[^<>]*?>'si","",$table);

        //去掉空白字符

        $table = preg_replace("'([rn])[s]+'","",$table);

        $table = preg_replace('/ /',"",$table);

        $table = str_replace(" ","",$table);

        $table = str_replace(" ","",$table);

        $table = explode('{tr}', $table);

        array_pop($table);

        foreach ($table as $key=>$tr) {

                $td = explode('{td}', $tr);

                array_pop($td);

            $td_array[] = $td;

        }

        return $td_array;

}