How can I access a deep object property named as a variable (dot notation) in php?

Question

There are many questions similar to this, however this is slightly different since it\'s about deep object property access, not just one level of depth.

Let\'s say I

Answer 1

It is very easy to reduce the object path using variable property notation ($o->$p):

$path = 'foo.bar';
echo array_reduce(explode('.', $path), function ($o, $p) { return $o->$p; }, $user);

This could easily be turned into a small helper function.