JAVA

object php

//object init
  $object = (object) [
    'propertyOne' => 'foo',
    'propertyTwo' => 42,
  ];

php object

$o= new stdClass();
$o->a = 'new object';

OR

$o = (object) ['a' => 'new object'];

php object

In a variable:

$variable = (object) "lol";

java php object

$a = array('foo' => 'bar');
$o = (object) $a;
var_dump($o instanceof stdClass); // bool(true)
var_dump($o->foo); // string(3) "bar"