learn php oop 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: object oriented programming php

<?php
class Parent {
	public function __construct() {
    	echo "Parent Created\n";
    }
  	public function sayHello() {
    	echo "Hello, from Parent\n";
    }
  	public function eitherHello() {
    	echo "Hello, from Parent and child if desired\n";
    }
}
class Child extends Parent {
	public function __construct() {
    	echo "Child Created\n";
    }
  	public function sayHello() {
    	echo "Hello, from Child\n";
    }
}
$p = new Parent();	// Parent Created
$c = new Child();	// Child Created
$p->sayHello(); 	// Hello, from Parent
$c->sayHello();		// Hello, from Child
$p->eitherHello();	// Hello, from Parent and child if desired
$c->eitherHello();	// Hello, from Parent and child if desired
?>

Example 3: how to make php oop class

public className{
	public function __construct(){
    //CODE HERE
    }
}