最近有报告错误说从dedecms5.1升级sp1出现错误,代码大致如下:tT2zSkOUvaexHReEoZhAt2oYimThzgrDJstaY0LT Fatal error: Call to undefined function IfTagNull() in /……/include/pub_dedetag.php(485) : eval()’d code on line 1 tT2zSkOUvaexHReEoZhAt2oYimThzgrDJstaY0LT分析错误原因,是因为模板中调用了IfTagNull函数而程序中找不到这个函数导致出错,解决的办法很简单,两种,这里记录一下:tT2zSkOUvaexHReEoZhAt2oYimThzgrDJstaY0LT1、修改article_article.htm模板,把{dede:tag type=’current’ function=’IfTagNull(@me)’/} 换回原来的{ded
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