Third Party Library
Third Party Library help you to integrate with external systems. System provides you inbuilt them. You have to just call them and use their functions in your custom classes or where ever you required.
Loading a Third Party Library
Loading a Library file is quite simple using the following syntax:
$this->load->model('thirdPartyLib/library_name');
Calling a library function using following syntax:
$response = $this->library_name->($parameter);
Use Different libraries to integrate with external systems.