$class = '\Foo\Bar\MyClass'; 

$instance = new $class();

// Way #1

$className = "App\MyClass";

$instance = new $className();

​

// ----------------------

​

// Way #2

$className = "App\MyClass";

$class = new \ReflectionClass($className);

​

// Create a new Instance without arguments:

$instance = $class->newInstance();

​

// Create a new Instance with arguments (need a contructor):

$instance = $class->newInstanceArgs(["Banana", "Apple"]);

<?php

// Create the class first...

class Person

{

    public $name;

    public $surname;

    function __construct($name, $surname)

    {

        $this->name = $name;

        $this->surname = $surname;

    }

    function getName()

    {

        return $this->name;

    }

    function getSurname()

    {

        return $this->surname;

    }

    function setName($value)

    {

        $this->name = $value;

    }

    function setSurname($value)

    {

        $this->surname = $value;

    }

}

​

// Now, you can create an instance of the class

$me = New Person("John", "Doe");

echo $me->getName();

$me.setName("Jane");

echo $me->getName();

​

/**

   I hope that this helps ^_^ 

 **/

?>