Code example for downloading files in php_PHP tutorial

Copy code The code is as follows:

$file = 'monkey.gif';

if (file_exists($file)) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content -Disposition: attachment; filename='.basename($file));
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header(' Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . filesize($file ));
ob_clean();
flush();
readfile($file);
exit;
}
?>

The above code is the download code
Next, post a code for online preview of the pdf file

Copy the code The code is as follows:

public function fddAction()
{
// get attachment location
$attachment_location = $_SERVER["DOCUMENT_ROOT"] . "/pdf/fdd/sample.pdf";

if (file_exists($attachment_location)) {
// attachment exists

// send open pdf dialog to user
header('Cache-Control: public'); / / needed for i.e.
header('Content-Type: application/pdf');
header('Content-Disposition: inline; filename="sample.pdf"');
readfile($attachment_location) ;
die(); // stop execution of further script because we are only outputting the pdf

} else {
die('Error: File not found.');
}
}
?>

http://www.bkjia.com/PHPjc/325507.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/325507.htmlTechArticleCopy the code as follows: ?php $file = 'monkey.gif'; if (file_exists($file)) { header('Content-Description: File Transfer'); header('Content-Type: application/octet-stream'); head...