这段代码怎么判断？

Question

以下代码，有的里面有链接，有的没有
不能用JS来判断，
请问如何用PHP来判断有链接的分别是哪几个？
<table class="__01" width="990" height="759" border="0" cellpadding="0" cellspacing="0"> <tr> <td> <a href="#" target="_blank"><img src="images/selfJSbaobei_01.gif" width="243" height="379" alt=""></a></td> <td> <img src="images/selfJSbaobei_02.gif" width="252" height="379" alt=""></td> <td> <img src="images/selfJSbaobei_03.gif" width="251" height="379" alt=""></td> <td> <a href="#" target="_blank"><img src="images/selfJSbaobei_04.gif" width="244" height="379" alt=""></a></td> </tr> <tr> <td> <img src="images/selfJSbaobei_05.gif" width="243" height="380" alt=""></td> <td> <a href="#" target="_blank"><img src="images/selfJSbaobei_06.gif" width="252" height="380" alt=""></a></td> <td> <img src="images/selfJSbaobei_07.gif" width="251" height="380" alt=""></td> <td> <img src="images/selfJSbaobei_08.gif" width="244" height="380" alt=""></td> </tr></table>

Answer 1

用php把td 存到数据库、文件或数组里
遍历
等楼下

Answer 2

$s =<<< TXT
<table class="__01" width="990" height="759" border="0" cellpadding="0" cellspacing="0">
<tr>
<td>
<a href="#" target="_blank"><img src="images/selfJSbaobei_01.gif" width="243" height="379" alt=""></a></td>
<td>
<img src="images/selfJSbaobei_02.gif" width="252" height="379" alt=""></td>
<td>
<img src="images/selfJSbaobei_03.gif" width="251" height="379" alt=""></td>
<td>
<a href="#" target="_blank"><img src="images/selfJSbaobei_04.gif" width="244" height="379" alt=""></a></td>
</tr>
<tr>
<td>
<img src="images/selfJSbaobei_05.gif" width="243" height="380" alt=""></td>
<td>
<a href="#" target="_blank"><img src="images/selfJSbaobei_06.gif" width="252" height="380" alt=""></a></td>
<td>
<img src="images/selfJSbaobei_07.gif" width="251" height="380" alt=""></td>
<td>
<img src="images/selfJSbaobei_08.gif" width="244" height="380" alt=""></td>
</tr>
</table>
TXT;preg_match_all('/<\w+[^>]+(href|src)=.+>/isU', $s, $m);
print_r($m[0]);Array
(
    [0] => <a href="#" target="_blank">
    [1] => <img src="images/selfJSbaobei_01.gif" width="243" height="379" alt="">
    [2] => <img src="images/selfJSbaobei_02.gif" width="252" height="379" alt="">
    [3] => <img src="images/selfJSbaobei_03.gif" width="251" height="379" alt="">
    [4] => <a href="#" target="_blank">
    [5] => <img src="images/selfJSbaobei_04.gif" width="244" height="379" alt="">
    [6] => <img src="images/selfJSbaobei_05.gif" width="243" height="380" alt="">
    [7] => <a href="#" target="_blank">
    [8] => <img src="images/selfJSbaobei_06.gif" width="252" height="380" alt="">
    [9] => <img src="images/selfJSbaobei_07.gif" width="251" height="380" alt="">
    [10] => <img src="images/selfJSbaobei_08.gif" width="244" height="380" alt="">
)