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 |
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| 6 | class UpdateVersion4NotificationsTable extends Migration |
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| 7 | { |
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| 8 | /** |
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| 9 | * Run the migrations. |
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| 10 | * |
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| 11 | * @return void |
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| 12 | */ |
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| 13 | public function up() |
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| 14 | { |
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| 15 | Schema::table('notifications', function (Blueprint $table) { |
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| 16 | $table->bigInteger('from_id')->unsigned()->nullable()->change(); |
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| 17 | }); |
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| 18 | Schema::table('notifications', function (Blueprint $table) { |
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| 19 | $table->renameColumn('expire_time', 'expires_at'); |
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| 20 | }); |
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| 21 | } |
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| 22 | |||
| 23 | /** |
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| 24 | * Reverse the migrations. |
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| 25 | * |
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| 26 | * @return void |
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| 27 | */ |
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| 28 | public function down() |
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| 29 | { |
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| 30 | Schema::table('notifications', function (Blueprint $table) { |
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| 31 | $table->renameColumn('expires_at', 'expire_time'); |
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| 32 | }); |
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| 33 | Schema::table('notifications', function (Blueprint $table) { |
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| 34 | $table->bigInteger('from_id')->unsigned()->change(); |
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| 35 | }); |
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| 36 | } |
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| 37 | } |
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| 38 |