What is the purpose of the PHP superglobal $_SERVER?

What is the purpose of the mysqli_connect() function in PHP?

A). To establish a connection to a MySQL database

B). To execute a SQL query

C). To encrypt data transmission

D). To send an HTTP request

Which of the following commands is used to check the PHP version installed on a system?

A). php -v

B). phpinfo()

C). php -version

D). phpinfo

Which of the following is a web server commonly used with PHP?

A). Apache

B). MySQL

C). Node.js

D). Python

Which command is used to install PHP on Ubuntu Linux?

A). sudo apt-get install php

B). brew install php

C). yum install php

D). pacman -S php

Which operating systems are compatible with PHP?

A). Windows, macOS, Linux

B). iOS, Android, Chrome OS

C). Unix, Ubuntu, Fedora

D). PlayStation, Xbox, Nintendo Switch

What is the purpose of the PHP function htmlspecialchars()?

A). To convert special characters to HTML entities, preventing cross-site scripting (XSS) attacks

B). To calculate the length of a string

C). To generate random numbers

D). To format date and time values

What is XAMPP?

A). An open-source software stack for web development

B). A programming language similar to PHP

C). A web hosting service provider

D). An internet browser developed by Google

What is the purpose of the PHP extension directory (extension_dir) in the php.ini configuration file?

A). To specify the directory where PHP extensions are located

B). To define the default timezone for PHP scripts

C). To set the maximum execution time for PHP scripts

D). To configure the document root directory for Apache

What does the term 'LAMP stack' refer to?

A). A software bundle consisting of Linux, Apache, MySQL, and PHP

B). A popular PHP framework for web development

C). A security feature for PHP applications

D). An encryption protocol used in web servers

Which of the following is a popular PHP framework for web development?

A). Laravel

B). React

C). Angular

D). Vue.js