<?php echo 5 + 3 * 2; ?>
5 + (3 * 2), resulting in 11.
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
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()
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 function is used to retrieve the value of a query string parameter in PHP?
A). $_GET[]
B). $_POST[]
C). $_SESSION[]
D). $_COOKIE[]
What is the file extension for PHP scripts?
A). .html
B). .php
C). .js
D). .css
Which of the following tags is used to indicate the beginning of PHP code?
A). <?php
B). <!DOCTYPE html>
C). <? ... ?>
D). </php>
What is the purpose of the semicolon (;) in PHP?
A). To indicate the end of a statement
B). To concatenate strings
C). To multiply two numbers
D). To declare a variable
What is the output of the following code? <?php for ($i = 0; $i < 3; $i++) { echo $i . ', '; } ?>
A). 0, 1, 2,
B). 1, 2, 3,
C). 0, 1, 2
D). 1, 1, 1,
Which 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';