Before PHP 5.4, PHP support single inheritance and multiple interface but trait is going to remove the limitation of not having multiple inheritances. This means that you cannot have one class extend 2 other classes (see the extends keyword). An example of multiple inheritance Many of the object oriented programming languages, like C#, Java and PHP do not support multiple inheritance. 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. Multiple inheritance in PHP To learn about this, we need to go into the roots of this very concept. Heirarchical Inheritance. It’s one of the biggest concepts of PHP which will allow us to use the property(functions) of one class into another. Therefore we are concerned about what "Traits" are. PHP supports only single inheritance, where only one class can be derived from single parent class. PHP does not any support multiple inheritance.So, PHP supports like as a multileve inheritance. PHP does not allow multiple inheritance for classes but this is not true for interfaces, an interface may inherit from any number of interfaces as long as none of the interfaces it inherits from declares a method with the same name as those declared in child interface. Multiple inheritance actually suffers from the Diamond Problem. Multiple Inheritance in PHP : In Multiple Inheritance derived class may have two or more … A Super Class | B Sub 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. Hence a class can not extend two or more classes. First i have created class as TGP nad then interface as … But Parent class inherit the properties of prand parend class and grand child can inherit the properties of parent class. It is the simplest form of Inheritance. By using it we can reuse the code. Live Demo test(); ?> Child class class can’t inherit by more than one parent class. PHP doesn't support multiple inheritance. PHP does not support multiple inheritance. Single Inheritance: In Single Inheritance one derived class inherits from only one base class. Example 1 But call to the Parent class inherit the all properties of parent parent class and used to grand child can inherit the all the properties of parent class. Trait is the new concept introduced in PHP 5.4. In simple word, subclass can not extend more than one super class. Multiple Inheritance in PHP In this tutorial i have shown how to implement multiple inheritance in php. However, it supports heirarchical inheritance as follows: Example. Here is some clarification about PHP inheritance – there is a lot of bad information on the net. There is a very logical reason why PHP don’t support multiple inheritance. A Computer Science portal for geeks. PHP supports multileve inheritance. 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multiple inheritance in php

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