Introduction to PHP Programming

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Questions and Answers

What is the primary purpose of the echo() function in PHP?

To initiate a database connection
To handle file uploads
To create a new variable
To display output to the screen (correct)

What does PHP stand for?

Programming Hypertext Protocol
Hypertext Preprocessor (correct)
Personal Home Page
Pretty High-level Programming

Which of the following is NOT a data type supported in PHP?

Integer
Object (correct)
Boolean
String

What is the correct syntax for a single-line comment in PHP?

// This is a comment (A) Signup and view all the answers

Which of the following best describes PHP?

An HTML embedded server-side scripting language (B) Signup and view all the answers

Which statement about variables in PHP is correct?

Variable names are case-sensitive. (D) Signup and view all the answers

What triggers PHP to perform a specific task?

An event occurrence (C) Signup and view all the answers

What is the significance of constants in PHP?

They cannot be altered after they are defined. (A) Signup and view all the answers

Which scenario is PHP most commonly used for?

Server-side scripting for web development (A) Signup and view all the answers

What is NOT a characteristic of PHP?

It runs on a client's machine (A) Signup and view all the answers

Study Notes

Introduction to PHP

PHP stands for Hypertext Preprocessor
PHP is a server-side scripting language embedded in HTML
PHP performs tasks after specific events occur
To run PHP you need a web server such as Apache, WAMP, or IIS
MySQL is the database software used with PHP

Getting Started with PHP

To use PHP on Windows, download and install WAMP
WAMP installs Apache, a database server, and PHP in one package
To use PHP on Mac, download and install MAMP
PHP files have a .php extension
To test PHP scripts, create pages in Notepad or Visual Studio Code
Store PHP files in C:\wamp64\www
To view the code, open your web browser and enter http://localhost/local/test.php

PHP echo Statements

echo outputs data to the screen

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Description

This quiz covers the basics of PHP programming, including its definition, how to set up a development environment, and the use of echo statements. You'll learn about PHP's role in web development and how to implement PHP within HTML. Test your knowledge on essential PHP concepts and best practices.