How to create a literal object in PHP

object-literal.php

<?php

  $testArray = array(
      (object)array("name" => "John", "age" => function () {
          return 30;
      }),
      (object)array("name" => "Jane", "hobby" => function() {
          return "painting";
      })
  );

  $funtionResult = $testArray[1]->hobby;

  var_dump($funtionResult());

//Output
//"painting"