how to write classes in php code example

Example 1: php create object

$x = (object) [
    'a' => 'test',
    'b' => 'test2',
    'c' => 'test3'
];
var_dump($x);

/*
object(stdClass)#1 (3) {
  ["a"]=>
  string(4) "test"
  ["b"]=>
  string(5) "test2"
  ["c"]=>
  string(5) "test3"
}
*/

Example 2: php define class

class Bike {
    	function Bike() {
            $this->type = 'BMX';
    }
}

$blackSheep = new Bike();

print $blackSheep->type;

Example 3: oops concepts in php

The  PHP Object-Oriented Programming concepts are:
Class 
Objects
Inheritance
Interface
Abstraction
Magic Methods