PHP Classes

PHP classes are the blue print of properties and methods. A variable used inside the class is known as a property and the function used in class is also known as a method.

       
class Car{
public $carColor;//property of the class
public $modal;//property

public function getCarInfo(){

   //method of the class

 }
}

How To Define PHP Class

A class is declared with the class keyword followed by the name of the class and then a pair of braces {}. All the properties and methods are defined inside the curly braces.

       
class Car {
  // The code
}

Naming Convention Of Class

Capitalize the first letter of the class name.
If a class contains more than one word then capitalize each of the words. This process is known as the upper camel case. For example IndianFoodMarket, IceCream, CricektMatch, etc.

       
class CricektMatch{
}

Practical Approach To Understand PHP Class

Basically, the PHP class is a blueprint that is used to create different objects using the class blueprint. In the same way, if you have a blueprint of a house then you can create more than one similar house from that blueprint but each house may have different paints, interiors, and families inside.

How to add class property ?

Class property is basically a variable that holds different values such as string, integer, boolean, etc. Let us add property inside the class.

       
class Car {
  public $carModel;
  public $color = 'white';
 }

Naming Convention Of Class Property Name

Start the property name with a lowercase letter.
If the property name contains more than one word, then capitalize every word's first letter except the first word. For example $carModel, $carModelPrize, etc.

How to add methods to a class?

Methods are basically the functions. A function that is used inside the class is known as a method. Let us add a method greetMessage() to the class Car.

Source Code

          <?php
class Car {
  public $color = 'White';
  public $carModel = "AS202";
 
  public function greetMessage() 
  {
    return "This car has various modern features";
  }
}    
?>

Try it now

Here, the public is the access modifier.

Naming Convention Of Class Method

Start the function name with lower case letter.
If a function name has more than one word then capitalize the first letter of every word except the first word. For example carModelInfo(),carMilege(),etc.