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

Which of the following tags is used to indicate the beginning of PHP code?

A). <?php

B). <!DOCTYPE html>

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

How do you output text in PHP?

A). echo 'Hello, World!';

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

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

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

Which of the following statements is true about PHP's include and require functions?

A). include will only produce a warning if the file cannot be found, while require will produce an error

B). include will produce an error if the file cannot be found, while require will only produce a warning

C). Both include and require will produce an error if the file cannot be found

D). Both include and require will only produce a warning if the file cannot be found

What is the purpose of the semicolon (;) in PHP?

A). To indicate the end of a statement

B). To concatenate strings

C). To multiply two numbers

D). To declare a variable

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

A). htmlspecialchars()

B). htmlentities()

C). escape()

D). sanitize()

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,

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

A). To display information about the PHP environment

B). To execute PHP code

C). To retrieve data from a database

D). To create a new PHP file

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 statements is true about PHP variables?

A). Variable names are case-sensitive in PHP

B). PHP variables must start with a dollar sign ($)

C). Variable names cannot contain numbers

D). Variables in PHP cannot be reassigned