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<?php $cities = [ [ "id" => 3, "name" => "HRK", "city" => "KHARKIV" ], [ "id" => 6, "name" => "KHE", "city" => "KHERSON" ], [ "id" => 7, "name" => "LVO", "city" => "LVOV" ], [ "id" => 4, "name" => "ODS", "city" => "ODESA" ] ]; $last_city = ''; foreach($cities as $city) { if ($last_city != '') { vprintf('<option value="%s-%s">%s-%s</option>',[$last_city, $city['name'], $last_city, $city['name']]); echo PHP_EOL; } vprintf('<option value="%s">%s</option>',[$city['name'], $city['name']]); echo PHP_EOL; $last_city = $city['name']; }
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