how to write objects in php code example

Example 1: make a object php

$object = new stdClass();
   $object->property = 'Here we go';

   var_dump($object);
   /*
   outputs:

   object(stdClass)#2 (1) {
      ["property"]=>
      string(10) "Here we go"
    }
   */

Example 2: php object

$obj = [
  "example1" => 1,
  "example2" => "two",
  "example3" => [
    "example4": true
  ]
]