<?php $name = 'Alice'; echo 'Hello, $name!'; ?>
$name will be substituted, resulting in Hello, Alice!.
What does the following code output? <?php echo 5 + 3 * 2; ?>
A). 16
B). 11
C). 10
D). 6
Which function is used to include the contents of another PHP file?
A). include()
B). require()
C). import()
D). load()
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 file extension for PHP scripts?
A). .html
B). .php
C). .js
D). .css
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 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 PHP tags is deprecated and should be avoided?
A). script tag
B). <?php
C). <? ... ?>
D). <?php ... ?>
How do you output text in PHP?
A). echo 'Hello, World!';
B). console.log('Hello, World!');
C). print('Hello, World!');
D). write('Hello, World!');