DedeCMS不支持PHP5.3、5.4及以上版本后台500错误白屏的解决方法
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>今天把系统换成了windows server 2008 r2 同时将PHP环境提升至PHP5.5版本，测试PHPinfo的时候一点问题都没有，但是登陆dede后台却显示500错误，这应该怎么解决呢？百度了一下发现dede不支持PHP5.3、PHP5.4及以上版本了，主要原为是php5.4的版本废除了session_register函数 <br>
可以采用如$_SESSION[$this->keepUserIDTag] = $this->userID;</p>
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>
这种方式处理完整代码如下<br>
首先打开 include/userlogin.class.php这个文件，在287行到308行原内容如下：</p>
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>
</p>
<div class="msgheader" style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div class="right">
<span><u>复制代码</u></span>
</div>
代码如下:</div>
<div class="msgborder" id="phpcode12" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
<br>
@session_register($this->keepUserIDTag); <br>
$_SESSION[$this->keepUserIDTag] = $this->userID; <br>
@session_register($this->keepUserTypeTag); <br>
$_SESSION[$this->keepUserTypeTag] = $this->userType; <br>
@session_register($this->keepUserChannelTag); <br>
$_SESSION[$this->keepUserChannelTag] = $this->userChannel; <br>
@session_register($this->keepUserNameTag); <br>
$_SESSION[$this->keepUserNameTag] = $this->userName; <br>
@session_register($this->keepUserPurviewTag); <br>
$_SESSION[$this->keepUserPurviewTag] = $this->userPurview; <br>
@session_register($this->keepAdminStyleTag); <br>
$_SESSION[$this->keepAdminStyleTag] = $adminstyle; <br>
PutCookie(‘DedeUserID’, $this->userID, 3600 * 24, ‘/’); <br>
PutCookie(‘DedeLoginTime’, time(), 3600 * 24, ‘/’);</div>
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>
</p>
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>
替换成</p>
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>
</p>
<div class="msgheader" style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div class="right">
<span><u>复制代码</u></span>
</div>
代码如下:</div>
<div class="msgborder" id="phpcode13" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
<br>
if(empty($adminstyle)) $adminstyle = ‘dedecms’; <br>
//@session_register($this->keepUserIDTag); <br>
$_SESSION[$this->keepUserIDTag] = $this->keepUserIDTag; <br>
$_SESSION[$this->keepUserIDTag] = $this->userID; <br>
//@session_register($this->keepUserTypeTag); <br>
$_SESSION[$this->keepUserTypeTag] = $this->keepUserTypeTag; <br>
$_SESSION[$this->keepUserTypeTag] = $this->userType; <br>
// @session_register($this->keepUserChannelTag); <br>
$_SESSION[$this->keepUserChannelTag] = $this->keepUserChannelTag; <br>
$_SESSION[$this->keepUserChannelTag] = $this->userChannel; <br>
//@session_register($this->keepUserNameTag); <br>
$_SESSION[$this->keepUserNameTag] = $this->keepUserNameTag; <br>
$_SESSION[$this->keepUserNameTag] = $this->userName; <br>
//@session_register($this->keepUserPurviewTag); <br>
$_SESSION[$this->keepUserPurviewTag] = $this->keepUserPurviewTag; <br>
$_SESSION[$this->keepUserPurviewTag] = $this->userPurview; <br>
// @session_register($this->keepAdminStyleTag); <br>
$_SESSION[$this->keepAdminStyleTag] = $this->keepAdminStyleTag; <br>
$_SESSION[$this->keepAdminStyleTag] = $adminstyle; <br>
PutCookie(‘DedeUserID’, $this->userID, 3600 * 24, ‘/’); <br>
PutCookie(‘DedeLoginTime’, time(), 3600 * 24, ‘/’);</div>
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