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<?php class User { protected $profile; public function setProfile(Profile $profile) { $this->profile = $profile; } } class Profile { protected $user; public function __construct(User $user) { $this->user = $user; $user->setProfile($this); } } $user1 = new User(); $profile1 = new Profile($user1); $user2 = new User(); $profile2 = new Profile($user2); var_dump(get_object_vars($profile1) == get_object_vars($profile2)); var_dump(get_object_vars($profile1));
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) array(0) { }

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