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

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

A). 16

B). 11

C). 10

D). 6

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 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 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 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 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';

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

A). file_exists()

B). is_file()

C). exists()

D). check_file()

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 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