<?php
$instance1 = new class extends \Foo implements \HandleableInterface {
};

$instance2 = new class extends \Foo implements
    \ArrayAccess,
    \Countable,
    \Serializable
{
};

$instance3 = new class {
};
$instance4 = new class ($arg) {
};

$instance5 = new class
{

};

$instance6 = new class {

};

// Bad

$instance1 = new class ($arg)
{};
$instance2 = new class ($one, $two) {};
$instance3 = new class (
    $one,
    $two,
    $three,
    $four
) {};

$instance4 = new class extends \Foo {
            };

$instance5 = new class (
    $one,
    $two,
    $three
) extends \Foo implements \HandleableInterface {};

$instance6 = new class extends \Foo implements \HandleableInterface {
    // Class content
};

$instance7 = new  class extends \Foo implements
    \One,
    \Two,
    \Three,
    \Four,
    \Five
{
    // Class content
};

if ($foo) {
    $instance8 = new class extends \Foo implements
        \One,
        \Five
    {
        // Class content
    };
}

$instance9 = new class (
    $one,
    $two
) extends \Foo implements \One {
    // Class content
};

$instance10 = new class {};

$foo->bar(
    new class implements Bar {
        // ...
    },
);

foo(new class {
});
