CodeIgniter is a powerful and lightweight open-source PHP framework renowned for its simplicity and speed in web application development. With a focus on minimal configuration and a straightforward yet comprehensive toolkit, CodeIgniter empowers developers to build robust and scalable web applications efficiently. Its Model-View-Controller (MVC) architecture enhances code organization, making it easy to create maintainable and modular applications. CodeIgniter also offers a rich set of libraries and helpers, enabling rapid development and customization. Whether you're a novice or an experienced developer, CodeIgniter is an excellent choice for crafting dynamic and high-performance web solutions.
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Practice Test
181. What is the purpose of CodeIgniter helpers?
A. To provide utility functions for common tasks
B. To render views
C. To define URL routes
D. To manage database migrations
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Answer: To provide utility functions for common tasks
182. Which CodeIgniter function allows you to load a helper?
A. $this->load->helper()
B. $this->load->library()
C. $this->helper->load()
D. $this->load->view()
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Answer: $this->load->helper()
183. In CodeIgniter, how can you create custom libraries?
A. By extending the CI_Controller class
B. By creating a PHP class with desired methods
C. By modifying the .htaccess file
D. By using the create_library() CLI command
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Answer: By creating a PHP class with desired methods
184. Which package manager can be used to install third-party libraries and packages in CodeIgniter?
A. Composer
B. npm
C. Yarn
D. Bower
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Answer: Composer
185. What is the purpose of CodeIgniter's config/autoload.php file?
A. To specify which libraries and helpers to load
B. To configure database connections
C. To set routing rules
D. To define URL parameters
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Answer: To specify which libraries and helpers to load
186. Which of the following is an example of a third-party library often used with CodeIgniter for authentication?
A. Ion Auth
B. CodeIgniter Auth
C. CI Authentication
D. PHPAuth
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Answer: Ion Auth
187. What is the purpose of autoloading in CodeIgniter?
A. To automatically load specified libraries
B. To improve database performance
C. To disable URL routing
D. To encrypt session data
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Answer: To automatically load specified libraries
188. What is the purpose of application deployment in CodeIgniter?
A. To make the application accessible online
B. To debug the application
C. To write code for the application
D. To create a local development server
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Answer: To make the application accessible online
189. Which server environment is commonly used for deploying CodeIgniter applications?
A. Apache
B. Python
C. Node.js
D. MySQL
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Answer: Apache
190. In CodeIgniter, which configuration file is often modified for production deployment?
A. config/config.php
B. config/routes.php
C. config/database.php
D. config/autoload.php
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Answer: config/config.php
