is::explainFileUploadError

static function explainFileUploadError($error)
{
	switch ($error)
	{
		case UPLOAD_ERR_INI_SIZE: 
			$message = 'The uploaded file exceeds the upload_max_filesize directive in php.ini'; 
			break; 
		case UPLOAD_ERR_FORM_SIZE: 
			$message = 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form'; 
			break; 
		case UPLOAD_ERR_PARTIAL: 
			$message = 'The uploaded file was only partially uploaded'; 
			break; 
		case UPLOAD_ERR_NO_FILE: 
			$message = 'No file were uploaded'; 
			break; 
		case UPLOAD_ERR_NO_TMP_DIR: 
			$message = 'Missing a temporary folder'; 
			break; 
		case UPLOAD_ERR_CANT_WRITE: 
			$message = 'Failed to write file to disk'; 
			break; 
		case UPLOAD_ERR_EXTENSION: 
			$message = 'File upload stopped by extension'; 
			break; 

		default: 
			$message = 'Unknown upload error'; 
			break; 
	} 
	return $message;
}