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<?php $foo = 'bar'; $array = [1,2,3]; foreach ($array as &$foo) { $foo = $foo * $foo; } var_dump($foo); $foo = 'derp'; var_dump($array);
Output for git.master, git.master_jit, rfc.property-hooks
int(9) array(3) { [0]=> int(1) [1]=> int(4) [2]=> &string(4) "derp" }

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