Php大法

  • php正则函数错误 preg_match(): Compilation failed: invalid range in character class at offset

    preg_match(): Compilation failed: invalid range in character class at offset 这个错误的发生位置在wordpress编辑器代码高亮工具 Crayon Syntax Highlighter 安装后,当我们添加新文章进入编辑器的时候出现的 具体代码位置在plugins/crayon_syntax_highlighter/crayon_langs.class.php的第340行 function __construct($id, $name = NULL) { parent::__construct($id, $name); $this->modes = CrayonParser::modes(); } // Override function clean_id($id) { $id = CrayonUtil::space_to_hyphen( strtolower(trim($id)) ); return preg_replace(‘/[^\w-+#]/msi’, ”, $id); } 我们把340行的 return preg_replace(‘/[^\w-+#]/msi’, ”, $id); 修改为 return preg_replace(‘/[^\w\-+#]/msi’, ”, $id); 下面引用自stackflow上面的描述大概意思是php的正则library pcre从php7.3开始更新未pcre2,然后语法会越来越严格,大概就是这个意思 The problem is really old, but there are some new developments related to PHP 7.3 and newer versions that need to be covered. PHP PCRE engine migrates to PCRE2, and the PCRElibrary version used in PHP…

    October 21, 2020 0 0

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