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

Which of the following is NOT a valid PHP comparison operator?

A). <=

B). ==

C). <>

D). !

What is the purpose of the PHP require statement?

A). To include and evaluate an external PHP file

B). To define a function in PHP

C). To create a loop in PHP

D). To execute a SQL query

What is the 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';

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

A). To destroy a specified variable

B). To create an array in PHP

C). To execute SQL queries

D). To define a function in PHP

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

A). To terminate the script execution

B). To print output to the browser

C). To create a loop in PHP

D). To define a function in PHP

What does the PHP statement echo 'Hello, World!'; do?

A). Prints 'Hello, World!' to the browser

B). Declares a variable named 'Hello, World!'

C). Performs a calculation

D). Defines a function named 'Hello, World!'

What is the correct syntax to start a PHP script?

A). <?php

B). <script>

C). <?>

D). <!DOCTYPE php>

Which of the following is a valid PHP constant?

A). MY_CONST

B). $myConst

C). MY_CONST

D). myConst