PHP Safe Download File method, _php tutorial

PHP Safe Download File method,

This article explains how to safely download files in PHP. Share to everyone for your reference, as follows:

<?phpheader (' content-type:text/html; Charset=utf-8 ');d efine (' Root_path ', DirName (__file__));/** * Download file * @param string $file _path absolute path */function downfile ($ File_path) {  //Determine if the file exists  $file _path = iconv (' utf-8 ', ' gb2312 ', $file _path);//Transcode If the Chinese name may appear  (!file_ Exists ($file _path)) {    exit (' file does not exist! ');  }  $file _name = basename ($file _path); Get the file name  $file _size = filesize ($file _path);//Get file size  $fp = fopen ($file _path, ' R ');//Open file header in read-only mode  (" Content-type:application/octet-stream ");  Header ("Accept-ranges:bytes");  Header ("Accept-length: {$file _size}");  Header ("content-disposition:attachment;filename={$file _name}");  $buffer = 1024x768;  $file _count = 0;  Determines whether the file ends while  (!feof ($fp) && ($file _size-$file _count>0)) {    $file _data = fread ($fp, $buffer); c17/> $file _count + = $buffer;    echo $file _data;  }  Fclose ($FP); Close File}downfile (Root_path. '/down/sunset.jpg ');? >

Note: The file name can accept the Chinese name. The file format is utf-8.

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I hope this article is helpful to you in PHP programming.

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http://www.bkjia.com/PHPjc/1119992.html www.bkjia.com true http://www.bkjia.com/PHPjc/1119992.html techarticle php Safe Download File method, this article describes the PHP safe download file method. Share to everyone for your reference, specifically as follows: Phpheader (' content-type:text/html; Charset=u ...

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