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<?php $array = ['work', 'homework', 'home', 'sky', 'door']; $keep = ['work', 'home']; $lookup = array_combine($keep, $keep); var_export( array_map(fn($v) => $lookup[$v] ?? 0, $array) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 'work', 1 => 0, 2 => 'home', 3 => 0, 4 => 0, )

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