What is the purpose of the PHP include statement?

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 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

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 purpose of the PHP require_once statement?

A). To include and evaluate an external PHP file only once

B). To create a loop in PHP

C). To define a function in PHP

D). To execute a SQL query

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 does the strlen() function do in PHP?

A). Returns the length of a string

B). Converts a string to lowercase

C). Checks if a string contains a substring

D). Returns the first occurrence of a substring in a string

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

A). +

B). <>

C). .

D). -

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

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

A). $my_var

B). $MyVar

C). $my-var

D). $myVar123