Answer & Solution
Answer: Option A
Solution:
htmlspecialchars() function converts special characters to HTML entities, preventing XSS attacks.
Q
Which PHP function is used to output content as HTML entities, preventing cross-site scripting (XSS) attacks?
Related Questions on Average
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,
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
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 of the following PHP tags is deprecated and should be avoided?
A). script tag
B). <?php
C). <? ... ?>
D). <?php ... ?>
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 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). $_COOKIE[]
Which of the following statements is true about PHP variables?
A). Variable names are case-sensitive in PHP
B). PHP variables must start with a dollar sign ($)
C). Variable names cannot contain numbers
D). Variables in PHP cannot be reassigned
Which 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 tags is used to indicate the beginning of PHP code?
A). <?php
B). <!DOCTYPE html>
C). <? ... ?>
D). </php>