File Download using php script

File Download code using php is very simple and effective.Using this code you can download any file,doc,pdf,rar,zip,video,image etc.just you have to add file path to this function.This is done by a some line of php code. 
Download any type of file using php script.This code is help you to download any kind of file dynamically.



Example code :
//your file name add
$f="test.php";
function force_download($file)
{
//provide your directory path
$dir="";
if ((isset($file))&&(file_exists($dir.$file))) {
header("Content-type: application/force-download");
header(‘Content-Disposition: inline; filename="’ . $dir.$file . ‘"’);
header("Content-Transfer-Encoding: Binary");
header("Content-length: ".filesize($dir.$file));
header(‘Content-Type: application/octet-stream’);
header(‘Content-Disposition: attachment; filename="’ . $file . ‘"’);
readfile("$dir$file");
} else {
echo "No file selected";
} 
}//end function
echo force_download($f);