Which Query Builder method in CodeIgniter is used to join two tables?
- combine()
- connect()
- join()
- merge()
The correct method to join two tables in CodeIgniter's Query Builder is join(). This method allows you to specify the tables and conditions for the join.
How can custom Helpers be extended or modified in CodeIgniter?
- By creating a new Helper and replacing the original
- By directly modifying the Helper file
- By using the extend_helper() function
- CodeIgniter doesn't support custom Helper extension
In CodeIgniter, custom Helpers can be extended or modified by using the extend_helper() function. This function allows you to add or override functions in an existing Helper.
In CodeIgniter's pagination, what method is used to retrieve the current page number from the URL?
- current_page()
- get_page_number()
- page()
- uri_segment()
The correct option is page(). In CodeIgniter, the page() method is used to retrieve the current page number from the URL when dealing with pagination. It helps in determining which page is being requested.
The security feature in OAuth that prevents interception of the authorization code is known as ________.
- Code Challenge
- Code Exchange
- Code Verifier
- Token Binding
In OAuth, the security feature that prevents interception of the authorization code is known as Code Verifier. It is part of the PKCE (Proof Key for Code Exchange) extension, which adds an additional layer of security during the authorization code flow. Code Verifier helps mitigate the risk of interception and replay attacks.
How do you manage dependencies when integrating multiple third-party libraries in CodeIgniter?
- CodeIgniter does not support third-party libraries
- Manually download and include each library
- Use Composer for dependency management
- Use autoload.php file for all libraries
When working with CodeIgniter, using Composer for dependency management is considered a best practice. Composer helps manage the dependencies of your project and ensures that the required libraries are included seamlessly. This approach makes it easier to update and maintain third-party libraries.
________ in CodeIgniter is crucial for ensuring that cookies are sent securely over HTTPS.
- Authentication
- Encryption
- Session
- Validation
CodeIgniter recommends encrypting cookies to enhance security, especially when dealing with sensitive information. This ensures that cookies are transmitted securely over HTTPS, preventing unauthorized access to user data.
To set custom routing rules for a controller, one must edit the ________ file.
- application/config/custom_routes.php
- application/config/routes.php
- config/routes.php
- routes.php
To set custom routing rules for a controller in CodeIgniter, you need to edit the application/config/routes.php file. This file contains the routing rules for the entire application, allowing you to define custom routes for controllers and methods.
Describe a scenario where creating a custom Helper in CodeIgniter would be beneficial over using built-in Helpers.
- Code Reusability Across Projects
- Performance Optimization
- Specific Application Requirements
- Standardization of Code
Creating a custom Helper in CodeIgniter becomes beneficial when specific application requirements cannot be met by built-in Helpers. Custom Helpers allow developers to tailor functionality to the unique needs of their projects. This approach promotes code reusability across different projects, ensures optimal performance by excluding unnecessary functionalities, and facilitates the standardization of code according to project-specific criteria.
Regular expressions are often used in _________ to filter out harmful SQL patterns.
- Data encryption
- Form handling
- Input validation
- Query optimization
Regular expressions are commonly employed in input validation to filter out harmful SQL patterns. They help ensure that user inputs adhere to expected formats, preventing potential SQL injection attacks.
How can you get the last executed query as a string in CodeIgniter's Query Builder?
- getLastExecutedQuery()
- getLastQuery()
- getLastStatement()
- getRecentQuery()
To get the last executed query as a string in CodeIgniter's Query Builder, you use the getLastExecutedQuery() method. This is useful for debugging and logging purposes.