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

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 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

Which of the following statements correctly assigns the value 'John' to the variable $name in PHP?

A). $name = 'John';

B). 'John' = $name;

C). $name -> 'John';

D). $name <- 'John';

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

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 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

What is the file extension for PHP scripts?

A). .html

B). .php

C). .js

D). .css

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

A). 16

B). 11

C). 10

D). 6

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

A). $_GET[]

B). $_POST[]

C). $_SESSION[]

D). $_COOKIE[]

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

A). file_exists()

B). is_file()

C). exists()

D). check_file()