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Questions and Answers
What is the primary purpose of the echo() function in PHP?
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?
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?
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?
What is the correct syntax for a single-line comment in PHP?
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Which of the following best describes PHP?
Which of the following best describes PHP?
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Which statement about variables in PHP is correct?
Which statement about variables in PHP is correct?
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What triggers PHP to perform a specific task?
What triggers PHP to perform a specific task?
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What is the significance of constants in PHP?
What is the significance of constants in PHP?
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Which scenario is PHP most commonly used for?
Which scenario is PHP most commonly used for?
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What is NOT a characteristic of PHP?
What is NOT a characteristic of PHP?
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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
.phpextension - 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
echooutputs data to the screen
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