Which function is used to include the contents of another PHP file?

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,

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 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 file extension for PHP scripts?

A). .html

B). .php

C). .js

D). .css

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 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

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

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 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 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