<?php $name = 'Alice'; echo 'Hello, $name!'; ?>
$name will be substituted, resulting in Hello, Alice!.
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 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 function is used to include the contents of another PHP file?
A). include()
B). require()
C). import()
D). load()
What is the file extension for PHP scripts?
A). .html
B). .php
C). .js
D). .css
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 output content as HTML entities, preventing cross-site scripting (XSS) attacks?
A). htmlspecialchars()
B). htmlentities()
C). escape()
D). sanitize()
What does the following code output? <?php echo 5 + 3 * 2; ?>
A). 16
B). 11
C). 10
D). 6
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 does the $_POST superglobal array contain in PHP?
A). Data submitted via an HTML form using the POST method
B). Data submitted via an HTML form using the GET method
C). Data stored in cookies
D). Data stored in session variables
What is the output of the following code? <?php for ($i = 0; $i < 3; $i++) { echo $i . ', '; } ?>
A). 0, 1, 2,
B). 1, 2, 3,
C). 0, 1, 2
D). 1, 1, 1,