How to solve the problem of garbled content in PHP download files

Solution to the garbled content of php downloaded files: 1. Use the flush function to refresh the output buffer; 2. Use the ob_clean function to clear the output buffer.

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PHP method to download files using file streams (attached: Solving the problem of downloading files Content garbled problem)

1. flush - refresh the output buffer

2. ob_clean - clear (erase) the output buffer

This function is used to discard the contents of the output buffer Content.

This function will not destroy the output buffer, but functions like ob_end_clean() will destroy the output buffer.

Note: The above two functions can solve the problem of garbled content of PHP download files

The code is as follows

// 文件名不要用中文
//fname为要下载的文件名
    //$fpath为下载文件所在文件夹，默认是downlod
    function download($fname,$fpath="download/"){ //避免中文文件名出现检测不到文件名的情况，进行转码utf-8->gbk $filename=iconv('utf-8', 'gb2312', $fname); $path=$fpath.$filename; if(!file_exists($path)){//检测文件是否存在 echo "文件不存在！"; die(); } $fp=fopen($path,'r');//只读方式打开 $filesize=filesize($path);//文件大小 //返回的文件(流形式) header("Content-type: application/octet-stream"); //按照字节大小返回 header("Accept-Ranges: bytes"); //返回文件大小 header("Accept-Length: $filesize"); //这里客户端的弹出对话框，对应的文件名 header("Content-Disposition: attachment; filename=".$filename); //================重点==================== ob_clean(); flush(); //=================重点=================== //设置分流 $buffer=1024; //来个文件字节计数器 $count=0; while(!feof($fp)&&($filesize-$count>0)){ $data=fread($fp,$buffer); $count+=$data;//计数 echo $data;//传数据给浏览器端 } fclose($fp); } download("CGEX脚本清单.doc");

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