Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
1 | <?php namespace VojtaSvoboda\Reservations\Mailers; |
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8 | class ReservationMailer extends BaseMailer |
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9 | { |
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10 | /** |
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11 | * Send reservation confirmation mail. |
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12 | * |
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13 | * @param Reservation $reservation |
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14 | * @param int $reservationsCount |
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15 | */ |
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16 | 5 | public function send(Reservation $reservation, $reservationsCount = 0) |
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47 | } |
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48 |