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<?php class Foo { protected $bar; public function __construct(Bar $bar) { $this->bar = $bar; } public function __get($key) { $exploded = explode('.', $key); $item = $this; do { $next = array_shift($exploded); var_dump($item, $next); if (!property_exists($item, $next)) { return null; } $item = $item->{$next}; } while ($exploded); return $item; } } class Bar { public $foo = 'test'; } $foo = new Foo(new Bar); var_dump($foo->{"bar.foo"});
Output for git.master, git.master_jit, rfc.property-hooks
object(Foo)#1 (1) { ["bar":protected]=> object(Bar)#2 (1) { ["foo"]=> string(4) "test" } } string(3) "bar" object(Bar)#2 (1) { ["foo"]=> string(4) "test" } string(3) "foo" string(4) "test"

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