Description:
------------
The syntax imagined as below (Define And Initiate An Anonymous Class):

$object = (new class($param1, $param1){
  public $var1 = 'abc'

  public function test(){
    echo $this->var1;
  }
});

$object->test();

out: 'abc'

============ Or Alternatively ===================

(new class($param1, $param1){
  public $var1 = 'abc'

  public function test(){
    echo $this->var1;
  }
})->test();

out: 'abc'