php 변수내용 찾기

<div><p style="margin: 1px 0px; padding: 0px; cursor: text; word-wrap: break-word; color: rgb(102, 102, 102); font-family: arial, 宋体; font-size: 14px; line-height: 24px"><li>sir</li></p>
<p style="margin: 1px 0px; padding: 0px; cursor: text; word-wrap: break-word; color: rgb(102, 102, 102); font-family: arial, 宋体; font-size: 14px; line-height: 24px"><?</p>
<p style="margin: 1px 0px; padding: 0px; cursor: text; word-wrap: break-word; color: rgb(102, 102, 102); font-family: arial, 宋体; font-size: 14px; line-height: 24px">  $name = "sir";</p>
<p style="margin: 1px 0px; padding: 0px; cursor: text; word-wrap: break-word; color: rgb(102, 102, 102); font-family: arial, 宋体; font-size: 14px; line-height: 24px">?></p>
<p style="margin: 1px 0px; padding: 0px; cursor: text; word-wrap: break-word; color: rgb(102, 102, 102); font-family: arial, 宋体; font-size: 14px; line-height: 24px">-----------------------------------------</p>
<p style="margin: 1px 0px; padding: 0px; cursor: text; word-wrap: break-word; color: rgb(102, 102, 102); font-family: arial, 宋体; font-size: 14px; line-height: 24px"><li><?=$name?></li></p>
<p style="margin: 1px 0px; padding: 0px; cursor: text; word-wrap: break-word; color: rgb(102, 102, 102); font-family: arial, 宋体; font-size: 14px; line-height: 24px"><?</p>
<p style="margin: 1px 0px; padding: 0px; cursor: text; word-wrap: break-word; color: rgb(102, 102, 102); font-family: arial, 宋体; font-size: 14px; line-height: 24px">  $name = "그누보드";</p>
<p style="margin: 1px 0px; padding: 0px; cursor: text; word-wrap: break-word; color: rgb(102, 102, 102); font-family: arial, 宋体; font-size: 14px; line-height: 24px">?></p>
<p style="margin: 1px 0px; padding: 0px; cursor: text; word-wrap: break-word; color: rgb(102, 102, 102); font-family: arial, 宋体; font-size: 14px; line-height: 24px">