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

Answer & Solution

Answer: Option A
Solution:
Double forward slashes (//) are used for single-line comments in PHP.
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What does the phpinfo() function do in PHP?

A). Displays information about the PHP environment

B). Executes SQL queries

C). Validates user input

D). Encrypts data transmission

What does PHP stand for?

A). Personal Home Page

B). Preprocessed Hypertext Processor

C). Public Hyperlink Protocol

D). Programming Hypertext Processor

What is the purpose of the PHP interpreter?

A). To parse and execute PHP code

B). To generate HTML markup

C). To validate user input

D). To store data in databases

What is the output of the following PHP code? <?php echo 'Hello, World!'; ?>

A). Hello, World!

B). <?php echo 'Hello, World!'; ?>

C). <?php echo 'Hello, World!'; ?>;

D). <?php echo 'Hello, World!'; ?>;

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

A). To terminate script execution

B). To display a message and exit

C). To redirect to another URL

D). To close a database connection

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

A). .

B). +

C). ,

D). -

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';

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

A). 15

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Which of the following is true about PHP sessions?

A). Sessions allow data to be persistently stored across multiple page requests

B). Sessions are stored on the client side

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Which of the following is NOT a feature of PHP?

A). Strongly typed

B). Open source

C). Extensive database support

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