magic-method-scope-example.php

<?php

class Foo {
    public function __get($name, $scope) {
        var_dump($scope);
        return '';
    }
}

$foo = new Foo();
$foo->bar; // null, called from global scope

function test() {
    $foo = new Foo();
    $foo->bar; // null, called from non-class scope
}

class Test {
    public static function staticTest() {
        $foo = new Foo();
        $foo->bar; // Test
    }

    public function test() {
        $foo = new Foo();
        $foo->bar; // Test
    }
}

(function () {
    $foo = new Foo();
    $foo->bar; // Test
})->bindTo(null, Test::class)();