Helper are common function that work as a library and assist your coding. Generally we save all helpers in below location:

 

/development/helper/

 

We use a standard format to call a helper. For example

 
App::Helper('Config')->redirect("/");
 
$Config = App::Helper('Config');
$Config->baseUrl()
 

 

As per Architecture and Standard helper class creates base on the file path. There are two type of helpers. System Define Helper and User User Define

 

See All helper List