php 正则应用

<?php $str = <<< EOT                <a href="www/app/a/2QRN7v">                    <div class="phonebg">                        <img src="http://www/template9/yunqingjian/jianjie/68.jpg" >                        <div class="phoneclick"></div>                        <p>幸福领地</p>                    </div>                </a>                <a href="www/app/a/uqARNv">                    <div class="phonebg">                        <img src="http://www/template9/yunqingjian/jianjie/69.jpg" >                        <div class="phoneclick"></div>                        <p>一世情长</p>                    </div>                </a>EOT;if(preg_match_all('%<p.*?>(.*?)</p>%si', $str, $matches)) {   $arr[0][] = $matches[1];}if(preg_match_all('/src="([^<]*)" >/i', $str, $matches)) {   $arr[1][] = $matches[1];}print_r($arr);exit;