[PHP知识库]关于thinkcmf 5.0以下的json.php 出现Malformed UTF-8 characters possibly incorrectly encoded的一种解决方案

源码如下图：

作出以下变更：

以下是相关代码：

/**
     *中文转utf8
     */
    public static function CharaCet(&$array){
        if(is_array($array)){
            foreach($array as $key => &$value){
                if(is_array($value)){
                    self::CharaCet($value);
                }else{
                    $encode = mb_detect_encoding($value, array("ASCII","UTF-8","GB2312","GBK","BIG5"));
                    $value = iconv($encode,'utf-8',$value);
                }
            }
        }
        else if(!is_array($array) && !empty($array)){
            $fileType = mb_detect_encoding($array , array("ASCII",'UTF-8',"GB2312","GBK",'BIG5')) ;
            if( $fileType != 'UTF-8'){
                $array = mb_convert_encoding($array ,'utf-8' , $fileType);
            }
        }
        return $array;
    }