-
-
Save kongondo/5728110 to your computer and use it in GitHub Desktop.
A Download PHP Class
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
class download{ | |
public function startDownload( $vFilePath, $vDownloadName=""){ | |
$vFilename = basename( $vFilePath); | |
$vNewFilename = $vDownloadName == "" ? $vFilename : $vDownloadName; | |
$vFileType = $this->getFileType( $vFilename); | |
$vContentType = $this->GetContentType( $vFileType); | |
// Fix IE bug [0] | |
$header_file = (strstr($_SERVER['HTTP_USER_AGENT'], 'MSIE')) ? preg_replace('/\./', '%2e', $vNewFilename, substr_count($vNewFilename, '.') - 1) : $vNewFilename; | |
// Prepare headers | |
header("Pragma: public"); | |
header("Expires: 0"); | |
header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); | |
header("Cache-Control: public", false); | |
header("Content-Description: File Transfer"); | |
header("Content-Type: " . $vContentType); | |
header("Accept-Ranges: bytes"); | |
header("Content-Disposition: attachment; filename=\"" . $header_file . "\";"); | |
header("Content-Transfer-Encoding: binary"); | |
header("Content-Length: " . filesize($vFilePath)); | |
set_time_limit(0); | |
// download mittels readfile funktioniert nicht bei grossen dateien | |
/* datei paeckchenweise lesen und in den buffer schreiben */ | |
$vBlockSize = 1048576;//1024; | |
$vDownlSpeed= 10; | |
$dlfile= fopen( $vFilePath, 'r'); | |
while (!feof($dlfile) && connection_status() == 0){ | |
//reset time limit for big files | |
set_time_limit(0); | |
print fread( $dlfile, $vBlockSize*$vDownlSpeed); | |
flush(); | |
} | |
fclose( $dlfile); | |
exit(); | |
} | |
function getFileType( $vFilename){ | |
return strtolower(substr(strrchr($vFilename,"."),1)); | |
} | |
function GetBrowserId(){ | |
$browser= $_SERVER['HTTP_USER_AGENT']; | |
if(ereg('Opera(/| )([0-9].[0-9]{1,2})', $browser)) { | |
return 'OPERA'; | |
} else if(ereg('MSIE ([0-9].[0-9]{1,2})', $browser)) { | |
return 'IE'; | |
} else if(ereg('OmniWeb/([0-9].[0-9]{1,2})', $browser)) { | |
return 'OMNIWEB'; | |
} else if(ereg('(Konqueror/)(.*)', $browser)) { | |
return 'KONQUEROR'; | |
} else if(ereg('Mozilla/([0-9].[0-9]{1,2})', $browser)) { | |
return 'MOZILLA'; | |
} else { | |
return 'OTHER'; | |
} | |
} | |
function GetContentType( $FileType=""){ | |
$vBrowser= $this->GetBrowserId(); | |
switch ($FileType) { | |
case "exe": (($vBrowser=='IE' || $vBrowser=='OPERA') ? ($ctype="application/octetstream") : ($ctype="application/octet-stream")); break; | |
case "pdf": $ctype="application/pdf"; break; | |
case "zip": $ctype="application/zip"; break; | |
case "doc": $ctype="application/msword"; break; | |
case "xls": $ctype="application/vnd.ms-excel"; break; | |
case "ppt": $ctype="application/vnd.ms-powerpoint"; break; | |
case "gif": $ctype="image/gif"; break; | |
case "png": $ctype="image/png"; break; | |
case "wmv": $ctype="video/x-ms-wmv"; break; | |
case "jpe": case "jpeg": case "jpg": $ctype="image/jpg"; break; | |
default: $ctype="application/force-download"; break; | |
} | |
return $ctype; | |
} | |
} | |
// sample usage | |
$cDownload= new download(); | |
$cDownload->startDownload( $_SERVER['DOCUMENT_ROOT'] . $page->pdf->url ); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment