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<?php $profileSubscriptions = ['one' => false, 'two' => true]; $lookup = ['one' => 'subscription', 'two' => 'marketing']; $subscriptions = array_filter($profileSubscriptions); $lists = array_filter(array_intersect_key($lookup, $subscriptions)); $diff = array_diff_key($subscriptions, $lists); echo 'Subscriptions do not exist for ' . implode(', ', $diff); var_dump(array_values($lists));
Output for git.master, git.master_jit, rfc.property-hooks
Subscriptions do not exist for array(1) { [0]=> string(9) "marketing" }

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