how to make class object in php code example

Example 1: php define class

class Bike {
    	function Bike() {
            $this->type = 'BMX';
    }
}

$blackSheep = new Bike();

print $blackSheep->type;

Example 2: php object

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

OR

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