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<?php $array = ['foo', 'bar']; $array2 = $array; $array2[] = 'baz'; print_r($array); print_r($array2);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => foo [1] => bar ) Array ( [0] => foo [1] => bar [2] => baz )

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