CodeIgniter For Project : Lesson 105 - Helper and Library

CodeIgniter For ProjectLesson 105 : Helper and Library

Weerayut Hongsa : Network Engineer / Software Developer Major Kantana Broadcasting Co., Ltd

https://kusumotolab.com


Helper

“Helpers, as the name suggests, help you with tasks. Each helper file is simply a collection of functions in a particular

category”




Helper load code

• $this->load->helper([helper name]);



You can load helper on constructor and function in Controller


Helper frequently used

• url : URL helper utility

• form : Form helper utility




url : URL helper utility

• site_url() : Get current url your website.

• base_url() : Get current base path.




url : URL helper utility• base_url()




url : URL helper utility• site_url()




form : Form helper utility

• form_open() : Auto form open generate

• form_close() : Auto form close generate




form : Form helper utility• form_open()

• form_close()




Library




Library load code

• $this->load->library([library name]);



You can load library on constructor and function in Controller


Library frequently used

• session : CodeIgniter session library

• input : CodeIgniter input library (autoload)

• load : CodeIgniter library loader (autoload)

• form_validation : CodeIgniter form validate library




session : CodeIgniter session library

• $this->session->set_userdata() : Set user data session

• $this->session->unset_userdata() : Unset user data session

• $this->session->userdata() : Read data from session




session : CodeIgniter session library• $this->session->set_userdata()

• $this->session->unset_userdata()

• $this->session->userdata()




input : CodeIgniter input library (autoload)

• $this->input->post() : Get value from post method

• $this->input->get() : Get value from get method

• $this->input->cookie() : Get value from cookie

• $this->input->server() : Get value from server variable




• $this->input->post()





• $this->input->get()





form_validation : CodeIgniter form validate library

• $this->form_validation->set_rules() : Set form validate rule

• $this->form_validation->run() : Begin validation from rules

• validation_errors() : Show error if validation not pass





• $this->form_validation->set_rules()

• $this->form_validation->run()

• validation_errors()







Rules in set_rules method


Forward to Workshop 004




CodeIgniter For Project : Lesson 105 - Helper and Library

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