What is the primary purpose of pagination in a CodeIgniter application?
- Improving user experience with faster page loads
- Organizing data for better readability
- Simplifying code structure for better maintenance
- Splitting large datasets into smaller chunks
Pagination in CodeIgniter is primarily used to split large datasets into smaller, more manageable chunks. This enhances the user experience by enabling faster page loads and makes it easier to navigate through large sets of data.
In the Active Record Class, which method is typically used to insert a new record into the database?
- add()
- create()
- insert()
- save()
The insert() method in the Active Record Class of CodeIgniter is used to insert a new record into the database. It allows you to specify the table and the data to be inserted. This method simplifies the process of adding data to the database using an object-oriented approach.
In CodeIgniter, which utility is commonly used to backup a database?
- backup class
- dbbackup helper
- dbmanager utility
- dbutil library
The backup class in CodeIgniter is commonly used to perform database backups. It provides a simple and convenient way to create and manage backups of your database.
For secure data transmission, CodeIgniter recommends using ________ to encrypt session data.
- base64_encode
- encrypt
- md5
- ssl_encrypt
CodeIgniter suggests using the encrypt library for secure data transmission, especially when dealing with session data. This library provides a way to encrypt and decrypt sensitive information, adding an extra layer of protection.
The ________ in MVC serves as the application's brain, containing logic and decision-making capabilities.
- Controller
- Model
- Router
- View
In the MVC architecture, the Controller acts as the application's brain, handling user input, processing logic, and making decisions based on the input. It plays a crucial role in controlling the flow of the application.
Advanced usage of the Email Class involves ________ to ensure high deliverability rates.
- Email Blacklisting
- Email List Segmentation
- Email Throttling
- SPF and DKIM Configuration
Advanced usage of the Email Class involves configuring SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) to authenticate emails. This, in turn, helps improve deliverability rates by establishing trust with email service providers and reducing the likelihood of emails being marked as spam.
Which CodeIgniter method checks whether the current database platform supports transactions?
- $this->db->check_transactions();
- $this->db->supports_transactions();
- $this->db->trans_status();
- $this->db->trans_supported();
The method $this->db->supports_transactions(); checks whether the current database platform supports transactions in CodeIgniter. It returns a boolean value indicating transaction support.
When a user encounters a non-existent page, redirecting them to a custom error page is handled by ________ in CodeIgniter.
- 404_override Route
- Controller __construct() method
- Error Handling Class
- Routes Configuration
The 404_override route in CodeIgniter allows developers to specify a custom controller/method to handle 404 (page not found) errors. It provides a way to redirect users to a custom error page when a non-existent page is encountered.
The use of ________ in payment gateways helps in managing recurring payments efficiently.
- Authentication
- Encryption
- Secure Protocols
- Tokenization
Tokenization is a crucial feature in payment gateways for managing recurring payments efficiently. It involves replacing sensitive payment information with a unique token, enhancing security and simplifying the process of handling recurring transactions without exposing confidential data.
In CodeIgniter, the use of ________ headers can help prevent Clickjacking attacks.
- X-Frame-Options
- X-Content-Type-Options
- Strict-Transport-Security
- Content-Security-Policy
CodeIgniter recommends setting the X-Frame-Options header to prevent Clickjacking attacks. This header controls whether a browser should be allowed to render a page in a frame or iframe, adding a security layer against UI redressing attacks.