PHP Technology & Digital Applications 2

Question 1

Which PHP function retrieves the current URL of the page being accessed?

Accepted Answer

$_SERVER['REQUEST_URI']

Answer

$_SERVER['REQUEST_URI'] returns the URI including the path and query string of the current request.

Question 2

What PHP extension is commonly used to interact with Redis for caching?

Accepted Answer

php-redis

Answer

The php-redis extension provides a PHP interface to interact with a Redis server for caching and data storage.

Question 3

Which PHP function encodes data to be safely transmitted in a URL?

Accepted Answer

urlencode()

Answer

urlencode() converts special characters into their percent-encoded equivalents for safe inclusion in URLs.

Question 4

In PHP, which method of a PDO object executes a prepared statement?

Accepted Answer

execute()

Answer

The execute() method on a PDOStatement object runs the prepared statement, optionally binding parameters.

Question 5

Which PHP built-in server-side variable contains the user's IP address?

Accepted Answer

$_SERVER['REMOTE_ADDR']

Answer

$_SERVER['REMOTE_ADDR'] contains the IP address from which the user is viewing the current page.

PHP - PHP Programming Language Practice Test