/**
* save file to $dirname and return filename as stored on ftp
*
* @param string
* @param HttpUploadedFile
* @param string filename with suffix (usually id from DB)
* @param bool overwrite older file with given $filename ?
* @return string
*/
public static function saveFile($dirname, $file, $filename = NULL, $overwriteOldFile = true)
{
// return if no file given [may occur only when editing item otherwise it's controlled when submitting form]
if (!$file instanceof HttpUploadedFile or empty($file->name)) {
return null;
}
$dirname = Basic::AddLastSlash($dirname);
Basic::mkdir($dirname);
if (is_null($filename)) {
$filename = $file->name;
}
$filename = self::handleFilename($filename);
if (!$overwriteOldFile) {
$filename = self::getUniqueFilename($dirname, null, $filename);
}
$dest = $dirname . $filename;
$file->move($dest);
return $filename;
}
