PHP Object oriented Examples and Tutorial

Object oriented php or php object oriented. Detailed php information with examples and complete tutorial. You have been using PHP procedurally but it also has an object oriented side.

PHP Object oriented Examples and Tutorial

Object oriented php, other languages use a very different programming model than the procedural counterparts. You have been using PHP Procedurally but it also has an object oriented side. Instead of chronological step by step set of instructions , particular structure becomes objects. Objects include not only a definition of your data, but also has all the operations that can be performed on it. When you use object oriented PHP . You create and work with objects.

Before we discuss what you might want to use Object oriented PHP let's write some:

Write your class (php object oriented)

class song
{

r $title;
v
v
aar $lyrics'


$title, $length) {
$this->title 
function song
(= $title'
$this->lyrics = $lyrics;

lled ' . $this->title . ' .<br />';
echo 'one, two three...' . $this->l
} function sing() { echo 'this is c
ayrics;
}
}

Create a new object (php object oriented)

$shoes_song = new song('Blue suede shoes' , 'well it\'s one for the money...');

$shoes_song->sing();

your sing can sing itself

when you run this code you get this:

this is called Blue suede shoes.

one, two,three...well it's one for the money...

Instead of chronological step by step set of instructions, your data structures become objects. Objects include not only a definition of your data but also all the operations that can be performed on it. In our song example for php object oriented,we set the title and lyrics of the song inside the class and we create the sing() method inside the class. if we needed to add more functionality to our song() object we would add new methods and variables to our song() class. for example , if we wanted the songwriter for each song to be associated with each song object, we could add that as a variable in our class in php object oriented.

The power of object oriented PHP really shines as an application grows. In php object oriented Suppose we decided to use the song class as part of a karaoke application with hundreds or even thousands of individual song objects. all with their own unique title, lyrics, and songwriters .now let's say someone wants to choose from only songs that were written by elvis. all we would have to do is look at the songwriter instance variable of each object.

And to actually feed the lyrics to the karaoke application? we could just call the sing() method on each song object when it is being performed. Even though we are calling the exact same method on each object it is accessing data unique to each of the objects in php object oriented.

Two big advantages of using object oriented php are:

Objects can be easily reused .they are designed to be independent of the code where they are used and can be reused and needed in php object oriented.

The code is easier to understand and maintain. if data type needs to change. the change occurs only in the object nowhere else in the code.

A big disadvantage is that in general object oriented php code can be no longer and take,or time to write. if you simply need to display the lyrics from one song, then writing a small procedural program might be your best bet. but if you think you might want to build that online karaoke app, consider diving further into object oriented PHP.

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