·  PHP – Syntax – OOP – Classes – Components – Fields – Invoking


- Info:

  - Fields are referenced by using -> operator and, unlike variables, are not prefaced with a dollar sign.

  - When you refer to a field from within the class in which it is defined, you use the $this keyword.


- Example:

  - This example shows how to define Class with two fields and one function.

  - Creat PHP Console Application Test.php.





      //USE CLASS.----------------------------------------------------------

      $myObject = new MyClass();   //Create Object from Class.

      $myObject->displayString();  //Function call: Hello from object!

      echo($myObject->var);        //Variable call: Hello from object!


      //DEFINE CLASS.-------------------------------------------------------

      class MyClass {


        public  $var = "Hello from object!\n";

        private $var2;


        public function displayString() {