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<?php $a = new stdClass; $a->a = new stdClass; $a->a->a = new stdClass; $a->a->a->a = 'a'; // $a = [ 'a' => [ 'a' => [ 'a' => 'a' ] ] ]; $b = $a->a; var_dump($b); var_dump($b->a = 'c'); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
object(stdClass)#2 (1) { ["a"]=> object(stdClass)#3 (1) { ["a"]=> string(1) "a" } } string(1) "c" object(stdClass)#1 (1) { ["a"]=> object(stdClass)#2 (1) { ["a"]=> string(1) "c" } }

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