code: public static function findMultipleFilesByFolder($strPath, array $arrOptions=array())
  	{
  		$t = static::$strTable;
  		$strPath = str_replace(array('\\', '%', '_'), array('\\\\', '\\%', '\\_'), $strPath);
  
  		return static::findBy(array("$t.type='file' AND $t.path LIKE ? AND $t.path NOT LIKE ?"), array($strPath.'/%', $strPath.'/%/%'), $arrOptions);
  	}
docs: Find all files in a folder
  
  @param string $strPath    The folder path
  @param array  $arrOptions An optional options array
  
  @return Collection|FilesModel[]|FilesModel|null A collection of models or null if there are no matching files