Anonymous class generation and usage (from PHP 7)

anonyClass.php

<?php

interface it {
    public function tf();
}
        
trait t {
    public $tv = "tv";
    public function tf() {
        return "tf";
    }
}

class p {
    public $pv = "pv";
}

class a {
    public function createNewClass(){
        $serviceClass = new class() extends p implements it {
        use t;

        public $name;

        public function __construct()
        {
          $this->name = "testService0";
        }
      };
      $serviceClassName = get_class($serviceClass);
      class_alias($serviceClassName, "testlol");
    }
}

class b {
    public function useNewClass() {
        $className = "testlol";
        $class = new $className;
        echo $class->name . " - " . $class->pv . " - " . $class->tv. " - " . $class->tf();
    }
}

$a = new a;
$b = new b;
$a->createNewClass();
$b->useNewClass();

// Returns testService0 - pv - tv - tf