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Where should custom libraries be placed within the CodeIgniter directory structure?

  • application/helpers
  • application/libraries
  • system/helpers
  • system/libraries
Custom libraries in CodeIgniter should be placed in the application/libraries directory. This ensures that they are easily accessible and follow the CodeIgniter directory structure conventions.
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To enable database caching in CodeIgniter, the $db['default']['cache_on'] setting must be set to ________.

  • 0
  • 1
  • FALSE
  • TRUE
In CodeIgniter, setting $db['default']['cache_on'] to true enables database caching, and setting it to false disables caching. This configuration helps optimize database performance by caching query results for a specified period, reducing the need to re-run queries.
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The ________ feature in CodeIgniter allows the application to run different environments seamlessly.

  • Environment Configuration
  • Environment Loader
  • Environment Setup
  • Environment Switching
The Environment Configuration feature in CodeIgniter enables the application to seamlessly run in different environments.
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To enable RESTful API functionality in CodeIgniter, the ________ must be configured correctly.

  • Route.php
  • autoload.php
  • config.php
  • database.php
In CodeIgniter, enabling RESTful API requires correct configuration in the 'config.php' file, specifying routes, and ensuring proper setup for the RESTful services.
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When a user submits a form, the data is processed by a specific method in a controller. To securely handle this data, the controller should use ________.

  • $this->form_validation->run()
  • $this->input->get()
  • $this->input->post()
  • $this->security->xss_clean()
When handling form data in CodeIgniter, it's crucial to sanitize and secure the input. The $this->security->xss_clean() method helps in removing potentially harmful content, preventing cross-site scripting (XSS) attacks.
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Which feature in CodeIgniter helps to filter input data to prevent SQL injection?

  • Data Escaping
  • Form Validation
  • Input Validation
  • Query Sanitization
CodeIgniter provides Query Sanitization as a mechanism to prevent SQL injection attacks by escaping and filtering input data.
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What is the significance of using mock objects in CodeIgniter unit testing?

  • Mock objects are only used in front-end testing.
  • Mock objects are used for creating visual elements in unit tests.
  • Mock objects are used to execute real database queries.
  • Mock objects help simulate the behavior of real objects, making it easier to test individual components in isolation.
In CodeIgniter unit testing, mock objects are essential for isolating the code being tested. They simulate the behavior of real objects, allowing developers to focus on testing specific components without the need for the entire application to be running. This isolation is crucial for identifying and fixing bugs in individual units of code, providing more reliable and effective testing.
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How can you pass multiple data items to a view in CodeIgniter?

  • $this->load->data()
  • $this->load->vars()
  • $this->view->set()
  • $this->view->set_data()
In CodeIgniter, the recommended method for passing multiple data items to a view is by using $this->load->vars(). This method accepts an associative array, making it easy to pass and organize multiple data items for the view.
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When a new version of the API is deployed in CodeIgniter, maintaining backward compatibility is crucial for ________.

  • API documentation
  • Existing client applications
  • SEO rankings
  • User experience
Backward compatibility is essential for existing client applications that rely on the API. If backward compatibility is not maintained, existing clients may break, leading to a poor user experience. It also ensures a smooth transition for clients using older versions of the API, allowing them time to update and migrate to the new version without disruption.
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The process of ________ is used by payment gateways to verify the funds and account details.

  • Authentication
  • Authorization
  • Encryption
  • Validation
In a payment gateway integration, the term "validation" refers to the process of confirming the legitimacy and accuracy of the provided information, ensuring the funds are available, and verifying the account details before completing a transaction. This step is crucial for security and financial integrity.
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