jfif header

JPEG File Interchange FormatVersion 1.02September 1, 1992 Eric Hamilton C-Cube Microsystems 1778 McCarthy Blvd. Milpitas, CA 95035

The JPEG attribute in jfif format is read and the standard file header is read. The structure of other content must be parsed one by one. It is not done for the time being. Interested friends can continue to improve it. Procedure tjfif. readappn;

Sometimes, to hide the truth, we define the file as a header and then download the readfile, but this will increase the burden on the server. Generally, we do not recommend downloading large files. Sometimes, to hide the truth, we define the file as

Copy CodeThe code is as follows: function SendFile ($fileName, $fancyName = ", $forceDownload = true, $speedLimit = 0, $contentType =") { if (!is_readable ($fileName)) { Header ("http/1.1 404 Not Found"); return false; } $fileStat = stat

Sometimes, to hide the truth, we define the file as a header and then download the readfile, but this will increase the burden on the server. generally, we do not recommend downloading large files. The code is as follows: Function sendFile ($

Copy Code code as follows: function SendFile ($fileName, $fancyName = ', $forceDownload = true, $speedLimit = 0, $contentType = ') { if (!is_readable ($fileName)) { Header ("http/1.1 404 Not Found"); return false; } $fileStat = stat

PHP file type verification class function based on the file header. I wrote a verification class here to determine the file format through the file header. (It is not secure. if the user spoofs the file header, it can also pass verification.) copy

I've written a validation class here that uses the file header to determine the file format. (also not completely secure, if the user forged the file header, can also be verified) Copy CodeThe code is as follows: /** * Type of document to be

PHP header send various types of file download Reference Header (' content-type:application/image/pjpeg ');//type of output Header (' content-disposition:attachment; filename= ' downloaded.jpg '); Download the displayed name, note the

PHP header send various types of files and settings file download name Header (' content-type:application/image/pjpeg ');//type of output Header (' content-disposition:attachment; filename= ' downloaded.jpg '); Download the displayed name,