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<?php $a = new \stdClass(); $a->b = 1; $a->c = 2; $d = clone $a; foreach ($d as $key=>&$value) { $value += 10; } unset($value); var_dump($a); var_dump($d);
Output for git.master, git.master_jit, rfc.property-hooks
object(stdClass)#1 (2) { ["b"]=> int(1) ["c"]=> int(2) } object(stdClass)#2 (2) { ["b"]=> int(11) ["c"]=> int(12) }

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