PHP does not any support multiple inheritance.So, PHP supports like as a multileve inheritance. Multiple inheritance in PHP PHP supports multileve inheritance. In simple word, subclass can not extend more than one super class. Here is some clarification about PHP inheritance – there is a lot of bad information on the net. It is the simplest form of Inheritance. We can simulate multiple inheritance by using interfaces . means Child class class can’t any data of the inherit by more than one same parent class. Version: 0.1 Type: Function Category: Other License: GNU General Public License Description: Here’s how to simulate a large subset of multiple inheritance functionality. A Super Class | B Sub Class. This means that you cannot have one class extend 2 other classes (see the extends keyword). Multiple inheritance actually suffers from the Diamond Problem. It’s one of the biggest concepts of PHP which will allow us to use the property(functions) of one class into another. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview … PHP does not support multiple inheritance. A Computer Science portal for geeks. Live Demo test(); ?> Example 1 It does not support multiple inheritance. Therefore we are concerned about what "Traits" are. By using it we can reuse the code. Before PHP 5.4, PHP support single inheritance and multiple interface but trait is going to remove the limitation of not having multiple inheritances. To allow this feature, you can use interfaces in PHP or you can use "Traits" in PHP instead of classes for implementing multiple inheritance in PHP. [printfriendly] Introduction. An example of multiple inheritance Many of the object oriented programming languages, like C#, Java and PHP do not support multiple inheritance. (I tested it using version 5.2.9). Which remove the limitation of the multiple inheritance in PHP. Hence a class can not extend two or more classes. PHP supports only single inheritance, where only one class can be derived from single parent class. But Parent class inherit the properties of prand parend class and grand child can inherit the properties of parent class. PHP doesn't support multiple inheritance. PHP does support Multi-level inheritance. PHP OOP does not allow multiple inheritance, it allow only multilevel inheritance. Single Inheritance: In Single Inheritance one derived class inherits from only one base class. However, it supports heirarchical inheritance as follows: Example. Multiple Inheritance in PHP : In Multiple Inheritance derived class may have two or more … Multiple Inheritance in PHP In this tutorial i have shown how to implement multiple inheritance in php. 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