DEDECMS在PHP5.4不能正常运行的解决方法
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>本文实例讲述了DEDECMS在PHP5.4不能正常运行的解决方法。分享给大家供大家参考。具体分析如下：</p>
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PHP5.4是公开发行的PHP程式最新版本,其执行速度和内存占用等相比PHP5.3而言有10%~30%的性能提升,所以笔者也一直想在实际环境中试运行PHP5.4(PHP5.4目前最新的版本为5.4.9)。</p>
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棘手的是与PHP5.2升级到PHP5.3有所不同的是,从5.3到5.4之间似乎变化不少,这也造成了笔者在将DEDECMS系统迁移到PHP5.4.x平台的时候出现了前台500错误后台直接空白的情况,当时也没有深究便换回PHP5.3了。</p>
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最近仔细查了下相关资料,发现主要是因为目前DEDECMS代码中使用了PHP5.4中弃用的一些函数,主要如下：</p>
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allow_call_time_pass_reference、define_syslog_variables、highlight.bg、register_globals、register_long_arrays、magic_quotes、safe_mode、zend.ze1_compatibility_mode、session.bug_compat42、session.bug_compat_warn、session_register以及 y2k_compliance</p>
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其中造成DEDECMS5.7无法正常运行的函数便是session_register。</p>
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<strong>网上实测有效的方法有如下两种：</strong></p>
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第一种方法申明将此函数废弃,在include/userlogin.class.php中加入如下代码：<br>
</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="phpcode9" 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";'>
function session_register() <br>
{ <br>
return true; <br>
}</div>
<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>第二种方法是该该页中的函数代码替换,被替换代码大致在287到308行之间,代码如下:</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><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="phpcode10" 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";'>
@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>
<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>替换为如下代码:</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><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="phpcode11" 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";'>
global $admincachefile,$adminstyle; <br>
if(emptyempty($adminstyle)) $adminstyle = 'dedecms'; <br>
$_SESSION[$this->keepUserIDTag] = $this->keepUserIDTag; <br>
$_SESSION[$this->keepUserIDTag] = $this->userID; <br>
$_SESSION[$this->keepUserTypeTag] = $this->keepUserTypeTag; <br>
$_SESSION[$this->keepUserTypeTag] = $this->userType; <br>
$_SESSION[$this->keepUserChannelTag] = $this->keepUserChannelTag; <br>
$_SESSION[$this->keepUserChannelTag] = $this->userChannel; <br>
$_SESSION[$this->keepUserNameTag] = $this->keepUserNameTag; <br>
$_SESSION[$this->keepUserNameTag] = $this->userName; <br>
$_SESSION[$this->keepUserPurviewTag] = $this->keepUserPurviewTag; <br>
$_SESSION[$this->keepUserPurviewTag] = $this->userPurview; <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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希望本文所述对大家的dedecms建站有所帮助。</p>
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