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Class Products extends CI Controller { } public function search ($product) { $list = $this->model->lookup ($product); SviewData = array ("results" => $list); $this->load->view ('view list', $viewData) } (i) The programmer forgot to do something before calling the model->lookup() method.

Class Products extends CI Controller { } public function search ($product) { $list = $this->model->lookup ($product); SviewData = array ("results" => $list); $this->load->view ('view list', $viewData) } (i) The programmer forgot to do something before calling the model->lookup() method.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Class Products extends CI Controller { } public function search ($product) { $list = $this->model->lookup ($product); $viewData = array ("results" => $list); $this->load->view ('view list', $viewData) } (i) The programmer forgot to do something before calling the model->lookup() method. Write the missing line. (ii) Change the code to return an error if no products are found in the search. (iii) Change the function header for search () to safely handle being called without an argument. (iv) Write the URL required to search for "laptop".
Transcribed Image Text:Class Products extends CI Controller { } public function search ($product) { $list = $this->model->lookup ($product); $viewData = array ("results" => $list); $this->load->view ('view list', $viewData) } (i) The programmer forgot to do something before calling the model->lookup() method. Write the missing line. (ii) Change the code to return an error if no products are found in the search. (iii) Change the function header for search () to safely handle being called without an argument. (iv) Write the URL required to search for "laptop".
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