function test_file_mime_content_type()
{
assert_not_empty(file_mime_content_type(''));
assert_not_empty(file_mime_content_type('my_file'));
assert_equal(file_mime_content_type('my_file'), 'application/octet-stream');
assert_equal(file_mime_content_type('my_file.txt'), 'text/plain');
assert_equal(file_mime_content_type('my_file.TXT'), 'text/plain');
assert_equal(file_mime_content_type('my_file.jpg'), 'image/jpeg');
assert_equal(file_mime_content_type('my_file.JPG'), 'image/jpeg');
}
/**
* Checks if $filename is a text file
*
* @param string $filename
* @return bool
*/
function file_is_text($filename)
{
if ($mime = file_mime_content_type($filename)) {
return substr($mime, 0, 5) == "text/";
}
return null;
}
/**
* Send a file through the standart output
* @param App_Model_File $file File to send
*/
protected function sendFile(App_Model_File $file)
{
$mime = file_mime_content_type($file->getFileName());
header('Content-Type: ' . $mime);
header('Content-Disposition: attachment; filename="' . iconv("UTF-8", "ISO-8859-1", $file->getFileName()) . '"');
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: ' . $file->file_size);
return file_read($file->getOnDiskLocation());
}
