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<?php $a1 = ['a', 'b', null, 'd']; $a2 = ['a', 'b', 'c', 'd']; $filtered1 = array_diff($a1, array_filter($a1)); print_r($filtered1); $filtered2 = array_diff($a2, array_filter($a2)); print_r($filtered2);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [2] => ) Array ( )

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