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  • 自定义防SQL注入函数

      /************************************************
        *SQL防注入函数
        *@time 2014年6月24日18:50:59
        *
        */
        public function safe_replace($string){
            $string = str_replace('%20','',$string);
            $string = str_replace('%27','',$string);
            $string = str_replace('%2527','',$string);
            $string = str_replace('*','',$string);
            $string = str_replace('"','"',$string);
            $string = str_replace("'",'',$string);
            $string = str_replace('"','',$string);
            $string = str_replace(';','',$string);
            $string = str_replace('<','&lt;',$string);
            $string = str_replace('>','&gt;',$string);
            $string = str_replace("{",'',$string);
            $string = str_replace('}','',$string);
            $string = str_replace("or","",$string);
            $string = str_replace("=","",$string);
            $string = str_replace("and","",$string);
            $string = str_replace("execute","",$string);
            $string = str_replace("update","",$string);
            $string = str_replace("count","",$string);
            $string = str_replace("chr","",$string);
            $string = str_replace("mid","",$string);
            $string = str_replace("master","",$string);
            $string = str_replace("truncate","",$string);
            $string = str_replace("char","",$string);
            $string = str_replace("declare","",$string);
            $string = str_replace("select","",$string);
            $string = str_replace("create","",$string);
            $string = str_replace("delete","",$string);
            $string = str_replace("insert","",$string);
            return $string;
        }
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  • 原文地址:https://www.cnblogs.com/zrp2013/p/3808477.html
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