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Welcome to the Objects and Databases in PHP MCQs Page

Dive deep into the fascinating world of Objects and Databases in PHP with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Objects and Databases in PHP, a crucial aspect of PHP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Objects and Databases 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 Objects and Databases 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 Objects and Databases in PHP. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Objects and Databases in PHP MCQs | Page 3 of 10

Q21.
Which one of the following is not a valid class name?
Discuss
Answer: (d).1shopproduct
Q22.
Fill in the blank with the best option. An Object is a/an ________ of a class.
Discuss
Answer: (c).instance
Discuss
Answer: (b).$product1 and $product2 are different objects of the same type generated from a single class.
Q24.
Which version of PHP introduced the visibility keywords i.e public, private, and protected?
Discuss
Answer: (b).PHP 5
Q25.
Which characters is used to access property variables on an object-by-object basis?
Discuss
Answer: (c).->
Q26.
Code that uses a class, function, or method is often described as the..
Discuss
Answer: (a).client code
Q27.
Which keyword precedes a method name?
Discuss
Answer: (b).function
Q28.
If you omit the visibility keyword in your method declaration, by default the method will be declared as..
Discuss
Answer: (a).public
Q29.
Which function is used to determine whether the variable’s value is either TRUE or FALSE?
Discuss
Answer: (d).is_bool()
Q30.
What will be the output of the following PHP code?
<?php
    class ShopProductWriter
    {
        public function write( $shopProduct )
        {
            $str = "{$shopProduct->title}: " .$shopProduct->getProducer() ." ({$shopProduct->price})\n";
            print $str;
        }
    }
    $product1 = new ShopProduct( "My Antonia", "Willa", "Cather", 5.99 );
    $writer = new ShopProductWriter();
    $writer->write( $product1 );
?>
Discuss
Answer: (d).My Antonia: Willa Cather (5.99)
Page 3 of 10

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