PHP $_SERVER Superglobal Quiz

What type of information does the $_SERVER superglobal contain in PHP?

The server's IP address (correct)
The user's operating system
The current date and time
The browser's cookies

How are functions and procedures beneficial in programming?

They only allow for use in one specific part of the program
They allow for modular and organized programming (correct)
They make the code less organized
They add complexity to the program

What keyword is used to declare functions in PHP?

$function (correct)
$method
$functionName
$declare

Which of the following is NOT stored in the $_SERVER superglobal in PHP?

Operating system information (A) Signup and view all the answers

In PHP, what is enclosed in parentheses when declaring a function?

Function parameters (A) Signup and view all the answers

Which function is used to replace a string with another string?

str_replace() (B) Signup and view all the answers

What is the purpose of the $_REQUEST superglobal?

To store the contents of $_GET, $_POST, and $_COOKIE (B) Signup and view all the answers

Which function is used to count the number of elements in an array?

count() (B) Signup and view all the answers

What does the array_push() function do?

Adds one or more elements to the end of an array (D) Signup and view all the answers

Which function is used to generate a random number?

rand() (C) Signup and view all the answers

What is the purpose of the mysqli_connect() function?

To establish a connection with a MySQL database (A) Signup and view all the answers

Which HTML tag is used to create a form?

(A) Signup and view all the answers

What type of elements can be used within an HTML form?

Text boxes, radio buttons, checkboxes (A) Signup and view all the answers

Which HTML tag is used to create tables on a web page?

(C) Signup and view all the answers

What is the purpose of using radio buttons in an HTML form?

Choosing from a list of options (D) Signup and view all the answers

In HTML, which element is used to label other form elements like text boxes or dropdown menus?

(C) Signup and view all the answers

What is the main purpose of using tables in HTML?

Displaying data in an organized manner (C) Signup and view all the answers

What is the purpose of the 'calculate_sum' function?

To calculate and return the sum of two numbers (C) Signup and view all the answers

Which superglobal in PHP contains data sent to the script through a POST request?

$_POST (A) Signup and view all the answers

What type of function is 'calculate_sum' based on the provided text?

Procedure without a return value (A) Signup and view all the answers

What does the $_GET superglobal in PHP contain?

Data included in the URL after a question mark (A) Signup and view all the answers

In PHP, what is the purpose of the $_REQUEST superglobal?

To retrieve data from both GET and POST requests (A) Signup and view all the answers

Assuming a URL is 'http://example.com/?name=John&age=30', which superglobal would store this data in PHP?

$_GET (A) Signup and view all the answers

What does the 'calc()' function in CSS primarily help in calculating?

Width, height, margin (D) Signup and view all the answers

Which CSS function is used to specify the location of an external resource like an image or font?

url() (D) Signup and view all the answers

What does the 'transform()' function in CSS help in applying to HTML elements?

Transformations like scaling and rotating (B) Signup and view all the answers

Which CSS function is used to create a shadow effect for an HTML element?

box-shadow() (A) Signup and view all the answers

Which type of length units are fixed and appear as exactly the specified size?

Absolute lengths (A) Signup and view all the answers

What do relative length units in CSS specify?

Length relative to another length property (A) Signup and view all the answers