求助！PHP正规帮取点东西

{dede:specnote imgheight='90' imgwidth='120'
                infolen='160' titlelen='60' col='1' idlist='3925,3924,3923,3922,3921,3920,3919,3918,3917,3916,3915,3914,3913,3912,3911,3910,3909,3908,3907,3906,3905,3904,3903,3902,3901,3900,3899,3898,3897,3896,3895,3894,3893,3892,3891,3890,3889,3888,3887,3886,3885,3884,3883,3882,3881,3880,3879,3878,3877,3876'
                name='默认节点' noteid='default' isauto='0' rownum='10'
                keywords='' typeid='0'}
                <li onmouseover=this.style.backgroundColor='#11161a' onmouseout=this.style.backgroundColor=''>
              <p class='id'>[field:id/]</p>
              <p class='box'>
                <input type="checkbox" name="id" value="[field:id/]">
              </p>
              <p class='url'><a href="[field:arcurl/]" title="[field:title/]" class="title" target='djpan'>[field:title/] </a></p>
              <p class='bf'><a href='[field:arcurl/]' target='djpan'><img src='/gif/play.gif'></a></p>
              <p class='bf'><a href='[field:arcurl/]' target='sc'><img src='/gif/coll.gif' alt='收藏本首舞曲'></a></p>
              <p class='bf'><a href='[field:arcurl/]' target='d' title='下载本首舞曲'>下载</a></p>
              <p class='bf'>[field:click/]</p>
            </li>
                {/dede:specnote}
我想取出
3925,3924,3923,3922,3921,3920,3919,3918,3917,3916,3915,3914,3913,3912,3911,3910,3909,3908,3907,3906,3905,3904,3903,3902,3901,3900,3899,3898,3897,3896,3895,3894,3893,3892,3891,3890,3889,3888,3887,3886,3885,3884,3883,3882,3881,3880,3879,3878,3877,3876
这些内容请高手帮帮忙