View Discussion Show Improve Article Save Article View Discussion Improve Article Save Article What is function overloading? Function overloading is the ability to create multiple functions of the same name with different implementations. Function overloading in PHP? Function overloading in PHP is used to dynamically create properties and methods. These dynamic entities are processed by magic methods which can be used in a class for various action types. Function overloading contains same function name and that function performs different task according to number of arguments. For example, find the area of certain shapes where radius are given then it should return area of circle if height and width are given then it should give area of rectangle and others. Like other OOP languages function overloading can not be done by native approach. In PHP function overloading is done with the help of magic function __call(). This function takes function name and arguments. Property and Rules of overloading in PHP:
Types of Overloading in PHP: There are two types of overloading in PHP.
Property Overloading: PHP property overloading is used to create dynamic properties in the object context. For creating these properties no separate line of code is needed. A property associated with a class instance, and if it is not declared within the scope of the class, it is considered as overloaded property. Following operations are performed with overloaded properties in PHP.
Before performing the operations, we should define appropriate magic methods. which are,
Example: PHP
Output: Setting 'a' to '1' Getting 'a: 1 Is 'a' set? bool(true) Unsetting 'a' Is 'a' set? bool(false) 1 Private property are visible inside the class 2 Private property are not visible outside of class Getting 'hidden: Method Overloading: It is a type of overloading for creating dynamic methods that are not declared within the class scope. PHP method overloading also triggers magic methods dedicated to the appropriate purpose. Unlike property overloading, PHP method overloading allows function call on both object and static context. The related magic functions are,
Example: PHP
Output: Calling object method 'runTest' in object context Calling static method 'runTest' in static context What is method overloading and overriding in PHP?Function overloading and overriding is the OOPs feature in PHP. In function overloading, more than one function can have same method signature but different number of arguments. But in case of function overriding, more than one functions will have same method signature and number of arguments.
What is meant method overloading?Method Overloading allows different methods to have the same name, but different signatures where the signature can differ by the number of input parameters or type of input parameters, or a mixture of both. Method overloading is also known as Compile-time Polymorphism, Static Polymorphism, or Early binding in Java.
What is method overloading explain with example?In Java, two or more methods may have the same name if they differ in parameters (different number of parameters, different types of parameters, or both). These methods are called overloaded methods and this feature is called method overloading. For example: void func() { ... }
What is constructor overloading in PHP?The lack of function overloading is one of my biggest complaints about PHP. If you're not familiar with overloading, its a feature of some languages that allows you to defined multiple methods (or functions) with the same name, but taking different parameters.
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