Learn PHP from the Best Tutors
Affordable fees 1-1 or Group class Flexible Timings Verified Tutors Search in
Asked by Bonita Last Modified
Answer PHP programmers create abstract classes for several reasons, and these reasons are often tied to the principles of object-oriented programming (OOP). Here are some common reasons for using abstract classes in PHP:
Common Interface:
Code Reusability:
Enforcing Method Implementation:
Partial Implementation:
Polymorphism:
Forcing Subclass Customization:
Common Base Class:
Organization and Structure:
Here's a simple example to illustrate some of these concepts:
abstract class Shape { abstract public function calculateArea(); } class Circle extends Shape { private $radius; public function __construct($radius) { $this->radius = $radius; } public function calculateArea() { return pi() * pow($this->radius, 2); } } class Rectangle extends Shape { private $length; private $width; public function __construct($length, $width) { $this->length = $length; $this->width = $width; } public function calculateArea() { return $this->length * $this->width; } } In this example, Shape is an abstract class that defines the abstract method calculateArea(). Both Circle and Rectangle are concrete classes that extend Shape and provide specific implementations for calculateArea(). This structure ensures that all shapes in the application have a common interface for calculating their areas.
Related Questions
Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com
Ask a QuestionRelated Lessons
Recommended Articles
What is Applications Engineering all about?
Applications engineering is a hot trend in the current IT market. An applications engineer is responsible for designing and application of technology products relating to various aspects of computing. To accomplish this, he/she has to work collaboratively with the company’s manufacturing, marketing, sales, and customer...
Read full article >
8 Hottest IT Careers of 2014!
Whether it was the Internet Era of 90s or the Big Data Era of today, Information Technology (IT) has given birth to several lucrative career options for many. Though there will not be a “significant" increase in demand for IT professionals in 2014 as compared to 2013, a “steady” demand for IT professionals is rest assured...
Read full article >
Make a Career as a BPO Professional
Business Process outsourcing (BPO) services can be considered as a kind of outsourcing which involves subletting of specific functions associated with any business to a third party service provider. BPO is usually administered as a cost-saving procedure for functions which an organization needs but does not rely upon to...
Read full article >
Make a Career in Mobile Application Programming
Almost all of us, inside the pocket, bag or on the table have a mobile phone, out of which 90% of us have a smartphone. The technology is advancing rapidly. When it comes to mobile phones, people today want much more than just making phone calls and playing games on the go. People now want instant access to all their business...
Read full article >
Looking for PHP Classes?
Learn from the Best Tutors on UrbanPro
Are you a Tutor or Training Institute?
Join UrbanPro Today to find students near youThe best tutors for PHP Classes are on UrbanPro
The best Tutors for PHP Classes are on UrbanPro
6
