What is the purpose of the PHP include statement?

Which of the following is a correct way to start a PHP script?

A). <?php

B). <script>

C). <?php?>

D). <?>

What is the output of the following PHP code? <?php $x = 5; $y = 10; echo $x + $y; ?>

A). 15

B). 5 + 10

C). $x + $y

D). 510

Which of the following best describes PHP?

A). Server-side scripting language

B). Client-side programming language

C). Markup language

D). Database management system

Which of the following is NOT a valid PHP variable name?

A). $my_var

B). $myVar

C). $my-var

D). $myVar123

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

A). To execute a SQL query on a MySQL database

B). To validate user input

C). To include an external file

D). To declare a variable

What is the purpose of the PHP echo statement?

A). To output data to the browser

B). To define a function

C). To include an external file

D). To declare a variable

What does PHP stand for?

A). Personal Home Page

B). Preprocessed Hypertext Processor

C). Public Hyperlink Protocol

D). Programming Hypertext Processor

Which of the following is used to comment out a single line of PHP code?

A). //

B). /* */

C). <!-- -->

D). <?php ?>

Which of the following is a correct way to define a constant in PHP?

A). define('MY_CONST', 'value');

B). $MY_CONST = 'value';

C). const MY_CONST = 'value';

D). MY_CONST = 'value';

Which of the following is used to concatenate strings in PHP?

A). .

B). +

C). ,

D). -