Which PHP function is used to output content as HTML entities, preventing cross-site scripting (XSS) attacks?

What is the output of the following code? <?php $a = 10; $b = 5; echo ($a > $b) ? 'Yes' : 'No'; ?>

A). Yes

B). No

C). 1

D). 0

Which PHP function is used to check if a file exists in PHP?

A). file_exists()

B). is_file()

C). exists()

D). check_file()

Which of the following PHP tags is deprecated and should be avoided?

A). script tag

B). <?php

C). <? ... ?>

D). <?php ... ?>

What is the output of the following code? <?php $name = 'Alice'; echo 'Hello, $name!'; ?>

A). Hello, $name!

B). Hello, Alice!

C). Nothing (empty output)

D). Syntax error

Which function is used to retrieve the value of a query string parameter in PHP?

A). $_GET[]

B). $_POST[]

C). $_SESSION[]

D). $_COOKIE[]

What does the following code output? <?php echo 5 + 3 * 2; ?>

A). 16

B). 11

C). 10

D). 6

What does the $_POST superglobal array contain in PHP?

A). Data submitted via an HTML form using the POST method

B). Data submitted via an HTML form using the GET method

C). Data stored in cookies

D). Data stored in session variables

Which of the following PHP directives is used to set the maximum execution time of a script?

A). max_execution_time

B). memory_limit

C). error_reporting

D). display_errors

How do you output text in PHP?

A). echo 'Hello, World!';

B). console.log('Hello, World!');

C). print('Hello, World!');

D). write('Hello, World!');

What is the output of the following code? <?php for ($i = 0; $i < 3; $i++) { echo $i . ', '; } ?>

A). 0, 1, 2,

B). 1, 2, 3,

C). 0, 1, 2

D). 1, 1, 1,