New object
<?php
// create new object
$obj = (object) array(); // OR
$obj = new stdClass();
$obj->key1 = "value1";
$obj->key2 = "value2";
var_dump($obj);
/*
object(stdClass)[1]
public 'key1' => string 'value1' (length=6)
public 'key2' => string 'value2' (length=6)
*/
stackoverflow.com/questions/1434368/how-to-define-an-empty-object-in-php