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<?php $a = (object) ['color' => 'red', 'foo' => 'bar']; $b = (object) ['color' => 'green', 'foo' => 'bar']; $diff = array_diff(get_object_vars($a), get_object_vars($b)); print_r($diff);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [color] => red )

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