Answer & Solution
echo is a PHP construct used to output text. The correct syntax is echo 'Hello, World!';.
echo is a PHP construct used to output text. The correct syntax is echo 'Hello, World!';.
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()
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 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 tags is used to indicate the beginning of PHP code?
A). <?php
B). <!DOCTYPE html>
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
Which function is used to retrieve the value of a query string parameter in PHP?
A). $_GET[]
B). $_POST[]
C). $_SESSION[]
D). $_COOKIE[]
What is the output of the following code? <?php for ($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()
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 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