自学开发PHP网站,遇到了问题,求大家帮忙!
<tr>
<td height=\"35\" align=\"center\" valign=\"middle\">
if($username== 'admin'){
<a href=\"user_manage.php\" target=\"kuangjia\" ><img src=\"../images/yhgl.png\" width=\"195\" height=\"31\" border=\"0\" /></a>
} else {
<a href=\"user_manage_lower.php\" target=\"kuangjia\" ><img src=\"../images/yhgl.png\" width=\"195\" height=\"31\" border=\"0\" /></a>
</td>
</tr>
![图片说明](https://img-ask.csdn.net/upload/201608/08/1470642047_224843.png)
怎么才能使if-else判断语句执行结果正常显示阿,现在是没起作用