Learn PHP from the Best Tutors
Affordable fees 1-1 or Group class Flexible Timings Verified Tutors Search in
Asked by Yashraj Last Modified
Answer Abstract classes and abstract methods in PHP are tools used in object-oriented programming (OOP) to provide a way to define a common interface for a group of related classes. They promote code organization, reusability, and help enforce a consistent structure across derived classes. Here are some practical use cases for abstract classes and abstract methods in PHP OOP:
Defining a Blueprint:
Enforcing Method Implementation:
Forcing Subclass Customization:
Creating a Common Interface:
Sharing Code Among Subclasses:
Partial Implementation:
Extending Existing Code:
Here's a simple example to illustrate the use of abstract classes and abstract methods:
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 with an abstract method calculateArea(). Both Circle and Rectangle are concrete classes that extend Shape and provide specific implementations for calculateArea(). This ensures that any class extending Shape must implement the calculateArea() method.
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
Learn Hadoop and Big Data
Hadoop is a framework which has been developed for organizing and analysing big chunks of data for a business. Suppose you have a file larger than your system’s storage capacity and you can’t store it. Hadoop helps in storing bigger files than what could be stored on one particular server. You can therefore store very,...
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 >
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 >
Learn Microsoft Excel
Microsoft Excel is an electronic spreadsheet tool which is commonly used for financial and statistical data processing. It has been developed by Microsoft and forms a major component of the widely used Microsoft Office. From individual users to the top IT companies, Excel is used worldwide. Excel is one of the most important...
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
13
