In general object oriented model (OOM) allows better parsing (or compiling) performance and more features.

In PHP, once an object is created, a variable makes a reference to that object; meaning that it contains a reference to it instead of copying an entire object every time it is being used.

Classes and their creation

In PHP objects are called classes. A class begins with the syntax word class followed by curly brackets. Within these brackets, properties and methods belong to this class are defined. Constants and variables inside the class are known as properties of the class. While functions inside the class are known as methods. 

Syntax of a class

    class myClass
        public $var = 'initial value here...'; // a property
        public function classMethod () // a method
            // method's code here...


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