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Welcome to the Arrays and Functions in PHP MCQs Page

Dive deep into the fascinating world of Arrays and Functions in PHP with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Arrays and Functions in PHP, a crucial aspect of PHP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Arrays and Functions in PHP, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within PHP.

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Check out the MCQs below to embark on an enriching journey through Arrays and Functions in PHP. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of PHP.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Arrays and Functions in PHP. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Arrays and Functions in PHP MCQs | Page 8 of 15

Q71.
As compared to associative arrays vector arrays are much
Discuss
Answer: (a).Faster
Q72.
Other than index values an array can be retrieved by a function that is called as
Discuss
Answer: (c).list ( ) function
Q73.
Multidimensional arrays are simple arrays that have
Discuss
Answer: (b).Many arrays stored in them
Q74.
Three ways to create an array is Direct assignment, array ( ) construct and
Discuss
Answer: (a).Functions returning arrays
Discuss
Answer: (d).function fumctionName(parameters) { function body }
Q76.
Type Hinting was introduced in which version of PHP?
Discuss
Answer: (b).PHP 5
Q77.
What will happen in this function call?
<?php
    function calc($price, $tax) 
    {
        $total = $price + $tax;
    }
    $pricetag = 15;
    $taxtag = 3;
    calc($pricetag, $taxtag); 
    ?>
Discuss
Answer: (a).Call By Value
Q78.
What will be the output of the following PHP code?
<?php
    function calc($price, $tax="")
    {
        $total = $price + ($price * $tax);
        echo "$total"; 
    }
    calc(42); 
    ?>
Discuss
Answer: (c).42
Q79.
Which of the following are valid function names?

i) function()
ii) €()
iii) .function()
iv) $function()
Discuss
Answer: (a).Only ii)
Q80.
What will be the output of the following PHP code?
<?php
    function a()
    {
        function b()
        {
            echo 'I am b';
  }
        echo 'I am a';
    }
    a();
    a();
    ?>
Discuss
Answer: (d).I am a Error

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