What is the primary purpose of logging in CodeIgniter?
- Data storage
- Debugging
- Error tracking
- User activity tracking
The primary purpose of logging in CodeIgniter is to track errors and issues within the application. It helps developers identify and fix problems, leading to a more robust and stable application.
To ensure backward compatibility in a CodeIgniter application update, unit testing should prioritize ________.
- CodeIgniter core functionalities
- Handling deprecated functions
- New features and enhancements
- User interface changes
To ensure backward compatibility, unit testing should prioritize handling deprecated functions. This ensures that the existing functionalities remain intact even with the updates.
What is the impact of using a whitelist approach for input validation in SQL injection defense?
- It allows only predefined, safe inputs
- It blocks all user inputs
- It encrypts the database
- It relies on blacklisting known dangerous inputs
Using a whitelist approach for input validation in SQL injection defense involves allowing only predefined, safe inputs to be accepted by the application. This approach helps prevent SQL injection by explicitly specifying the permissible inputs, thereby reducing the risk of unauthorized SQL commands being injected into the application.
Which protocol is commonly used for sending emails programmatically from a web application?
- FTP
- HTTP
- POP3
- SMTP
SMTP (Simple Mail Transfer Protocol) is commonly used for sending emails programmatically. It handles the outgoing mail flow on the internet.
To strengthen CSRF defenses, the technique of ________ is used to ensure the origin of the request.
- Cross-Origin Resource Sharing (CORS)
- Cross-Site Request Forgery (CSRF)
- Cross-Site Scripting (XSS)
- SameSite Cookies
SameSite Cookies is a technique used to strengthen CSRF defenses by controlling when cookies are sent with cross-site requests, ensuring the origin of the request.
What is a typical challenge when implementing complex database migrations?
- Code Refactoring
- Cross-Browser Compatibility
- Data Integrity
- Performance Optimization
Implementing complex database migrations often poses challenges to data integrity. Ensuring that data remains accurate and consistent throughout the migration process is a critical consideration.
What is the primary purpose of integrating social media into a web application?
- Enhancing user engagement
- Improving database performance
- Optimizing code readability
- Streamlining server operations
Social Media Integration
What is the recommended approach for handling exceptions in CodeIgniter models?
- Allow PHP to handle exceptions by default.
- Ignore exceptions and rely on error logging.
- Use the 'show_error()' function to display exceptions.
- Use try-catch blocks to catch exceptions and handle them.
The recommended approach for handling exceptions in CodeIgniter models is to use try-catch blocks. This allows for proper handling and logging of exceptions.
A developer needs to consistently format dates across the application. The best approach is to use the ________ Helper.
- date
- form
- format
- text
In CodeIgniter, the date Helper is used to format dates consistently across the application. It provides functions to format, manipulate, and work with dates in a standardized way.
In CodeIgniter, how can you roll back a transaction in case of an error?
- $this->db->commit();
- $this->db->rollback();
- $this->db->trans_commit();
- $this->db->trans_rollback();
In CodeIgniter, you can roll back a transaction in case of an error using the $this->db->trans_rollback(); method. This function will undo all queries run after the trans_start() method was called.