helper are best feature of codeigniter .helper are provide rech set of functionality for development.There are Two types of helper in codeigniter every helper are contains multipal function for diffrent diffrent task
1.System Helper :
System Helpers Is a predefined helper . it is provided by codeigniter. there are some example of system helper like url,cookie,form Etc
system helper stored at location system/helpers directory.
Codeigniter System Helper List
2. Custom Helper :
Custom Helpers Is a created by develper . custom helper created by developer according to need
Custom helper stored at location application/helpers directory.