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<?php function test(stdClass &$obj) { var_dump($obj); $obj = 'lol'; } $o = new stdClass; $o->prop = 'foo'; test($o); var_dump($o);
Output for git.master, git.master_jit
object(stdClass)#1 (1) { ["prop"]=> string(3) "foo" } string(3) "lol"

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