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OOPS concept---

We have many languages and we can programming by these languages .
but now we are talking about OOPS concept in php. OOPS stands for
OBJECT ORIENTED PROGRAMMING SYSTEM.we can use this concept in php or
other programming languages for making our programme so much easy and
faster. As we can see above there is an object in OOPS expended form.
object in the sense any object which is in our surrrounding.these can
be our mobile, our PC etc. every obeject has two characteristics of
there own. first is attribute and second is that behavior/functionality.
for example:-we all have our mobile phone.this is also an object as a
said above. so,mobile phone has two characteristics of it's own.
first is attribute and second is it's functionality.Attribute contains
it's MODEL,COLOUR,it's outer look etc. and functionality contains that
how it works like audio call,video call,camera and many more.so when
we use this concept in php (a programming language),we use VARIABLES
as ATTRIBUTES and FUNCTIONS as BEHAVIOR/FUNCTIONALITY for making an
OBJECT.

Basically OOPS depends on class and objects.class contains variable
and functions which is like a template for an object. any object
functionality depends on there class.

WHY OOPS?
there are many benifits behind using this concept in php....
We can use one class for making many objects.this property shows that
in OOPS concept, coding is reusable.
And where coding is reusable then this make our programming so much
faster and easier.
through OOPS concept,program and software development became so easy.

......
OOPS has it's some basic concepts:-
1-class
2 -object

we have already discused about class and objects.an onject always
depends on the class which contains variable and function.

3-Inheritance-->inheritance is a process where we can use pre made
code into another programme.and according to our
programme we can extend the functionalities of that
code.

4-Polymorphism-->polymorphism is that type of concept which provide
us functionality to perform multiple task through a
single code.in short, when externally function has a
single name but internally it performs multiple tasks.

5-Dynamic Binding-->when a proseger run, then that does not know that
with which code it will be run.

6-message communication-->when two or more objects communicate with
each other then this prosess is called
message communication.

7-Encapsulation-->In a class, it contains data and methods related
to the object.it is like a capsulation/arrange method.

8-Abstraction-->hinding internal details from user and shows only
necessary details, this is called abstraction.


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