<?php
$phone="13905938888";
$html=file_get_contents("http://open.baidu.com/phone/s?wd={$phone}&tn=phone");
preg_match_all('|<div id="op_mobilephonemid_res1" class="op_mobilephonemid_res">手机号码：<b>(.*?)</b></div> <div id="op_mobilephonemid_res2" class="op_mobilephonemid_res"><span>所属省份：<b>(.*?)</b></span><span>所属城市：<b>(.*?)</b></span><span>卡类型：<b>(.*?)</b></span>|is',$html,$teldb);
echo "手机号码：".$teldb[1][0]."\r\n";
echo "所属地区：".$teldb[2][0]."省".$teldb[3][0]."市\r\n";
echo "号码类型：".$teldb[4][0]."\r\n";
?>
使用了正则表达式获取内容。