Learn advanced object oriented programming with simple code examples. This Course includes all OOP PHP7 topics.
This course starts with an introduction to object oriented programming. What is OOP? and why we need it ? and what was before OOP?. A little detail about procedural language.We will also learn how to add OOPness in our programming. Then the advantages of object oriented programming.
Then we will discuss the basics of OOP with real life example and then how to map it in objects, classes, properties and method.
Then how to create objects and classes in php? How to add properties and methods? How to use them? And at the end of this section we will learn about parameters and return values of a method.
Third section describes the visibility and its three levels. Then why we need to define public, private or protected visibility of properties and methods in a class.
4th section describes the concept of constants in classes.
5th section describes about data encapsulation. Why we need it? And how to implement it and then the benefits of encapsulation.
In 6th section we will discuss about inheritance with real life example. Then how to translate it in classes, properties and methods in php code. What is ISA and HASA relationship and where to use ISA and where to use HASA in classes and objects.
7th section describes the problem when a child class needs its own version of parent class method then how overriding of method solves this problem. Then how you can preserve parent class method’s functionality while overriding.
8th section describes how you can block inheritance and method overriding using final keyword.
9th section describes what is the meaning of abstract in real world, then what is the meaning of abstract classes, why we need i? What are the abstract methods and why we need it? Then we will also discuss how to create abstract classes and methods in php.
At the end what are the key points for abstract classes and methods.
In 10th section we will discuss what happens when two classes from completely different class hierarchies need some similar behaviour and how interface solve this problem.
In 11th section we will discuss what happens when an object is born and when it dies. How we can handle things in both situations using constructor and destructor. How to define and use constructor and destructor using magic methods __construct() and __destruct().
12th section describes a situation where we need only one copy of properties and methods for all objects of a class.Static keyword can solve this problem. So we will see how we can create and use static properties and methods without creating an object of a class.
In 13th section describes that there are 15 magic methods in php. So we will discuss these magic methods one by one in detail.
14th section is the biggest one in this course. In this we will discuss about errors and exceptions.
What supposed to be an error in php? How they happen? What are the different types of errors? .how you can trigger errors by yourself? And what are the logical error? Then we will see how we can report errors when they happen and how you can change error reporting settings in php.ini. We will also learn the 4 ways to deal with errors. Then how to use an error handler and at last how you can log error messages.
After errors we will discuss about what may be the risky behavior of your code and how we can use exceptions to handle that risky behaviour. We will see how we can try some risky behaviour then how we can throw an exception if anything wrong happens and how we can catch that exception. Then the detail discussion on exception class in php and the stack trace for the exception. Then how you can make your own custom exceptions by extending php’s built in exception class. Why we need to use try with multiple catches and how to re-throw an exception. What happens when there is an uncaught exception in your code.what is an exception handler.
Then at the end of this section we will discuss the changes in errors and exceptions in php7.
15th section describe how you can autolo
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