| 1 | <?php |
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| 21 | trait TableRelations |
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| 22 | { |
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| 23 | /** |
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| 24 | * Setup relation "one to one" or "one to many" |
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| 25 | * |
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| 26 | * @param string $key |
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| 27 | * @param string $model |
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| 28 | * @param string $foreign |
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| 29 | * |
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| 30 | * @return void |
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| 31 | */ |
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| 32 | public function linkTo($key, $model, $foreign) : void |
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| 36 | |||
| 37 | /** |
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| 38 | * Setup relation "many to many" |
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| 39 | * [table1-key] [table1_key-table2-table3_key] [table3-key] |
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| 40 | * |
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| 41 | * @param string $model |
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| 42 | * @param string $link |
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| 43 | * |
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| 44 | * @return void |
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| 45 | */ |
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| 46 | public function linkToMany($model, $link) : void |
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| 50 | } |
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| 51 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: