PHP $_SERVER Superglobal Quiz

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Questions and Answers

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?

<p>Operating system information (A)</p>
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In PHP, what is enclosed in parentheses when declaring a function?

<p>Function parameters (A)</p>
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Which function is used to replace a string with another string?

<p>str_replace() (B)</p>
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What is the purpose of the $_REQUEST superglobal?

<p>To store the contents of $_GET, $_POST, and $_COOKIE (B)</p>
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Which function is used to count the number of elements in an array?

<p>count() (B)</p>
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What does the array_push() function do?

<p>Adds one or more elements to the end of an array (D)</p>
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Which function is used to generate a random number?

<p>rand() (C)</p>
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What is the purpose of the mysqli_connect() function?

<p>To establish a connection with a MySQL database (A)</p>
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Which HTML tag is used to create a form?

<p>(A)</p>
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What type of elements can be used within an HTML form?

<p>Text boxes, radio buttons, checkboxes (A)</p>
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Which HTML tag is used to create tables on a web page?

<p>(C)</p>
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What is the purpose of using radio buttons in an HTML form?

<p>Choosing from a list of options (D)</p>
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In HTML, which element is used to label other form elements like text boxes or dropdown menus?

<p>(C)</p>
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What is the main purpose of using tables in HTML?

<p>Displaying data in an organized manner (C)</p>
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What is the purpose of the 'calculate_sum' function?

<p>To calculate and return the sum of two numbers (C)</p>
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Which superglobal in PHP contains data sent to the script through a POST request?

<p>$_POST (A)</p>
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What type of function is 'calculate_sum' based on the provided text?

<p>Procedure without a return value (A)</p>
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What does the $_GET superglobal in PHP contain?

<p>Data included in the URL after a question mark (A)</p>
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In PHP, what is the purpose of the $_REQUEST superglobal?

<p>To retrieve data from both GET and POST requests (A)</p>
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Assuming a URL is 'http://example.com/?name=John&age=30', which superglobal would store this data in PHP?

<p>$_GET (A)</p>
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What does the 'calc()' function in CSS primarily help in calculating?

<p>Width, height, margin (D)</p>
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Which CSS function is used to specify the location of an external resource like an image or font?

<p>url() (D)</p>
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What does the 'transform()' function in CSS help in applying to HTML elements?

<p>Transformations like scaling and rotating (B)</p>
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Which CSS function is used to create a shadow effect for an HTML element?

<p>box-shadow() (A)</p>
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Which type of length units are fixed and appear as exactly the specified size?

<p>Absolute lengths (A)</p>
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What do relative length units in CSS specify?

<p>Length relative to another length property (A)</p>
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