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<?php $days = [ 1 => 'Sunday', 2 => 'Monday', 3 => 'Tuesday', 4 => 'Wednesday', 5 => 'Thursday', 6 => 'Friday', 7 => 'Saturday' ]; $array = [7,3,4]; $result = array_map(function ($a) use($days) { return $days[$a]; }, $array); echo "Day in name= ".implode(',', $result);

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