| 1 | <?php |
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| 23 | trait MessageQueryTrait |
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| 24 | { |
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| 25 | use MutualQueryTrait; |
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| 26 | |||
| 27 | /** |
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| 28 | * Specify unread message. |
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| 29 | * @return \static $this |
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| 30 | */ |
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| 31 | 2 | public function unread() |
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| 36 | |||
| 37 | /** |
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| 38 | * Specify read message. |
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| 39 | * @return \static $this |
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| 40 | */ |
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| 41 | 2 | public function read() |
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| 46 | |||
| 47 | /** |
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| 48 | * Specify unreceived message. |
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| 49 | * @return \static $this |
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| 50 | */ |
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| 51 | 2 | public function unreceived() |
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| 56 | |||
| 57 | /** |
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| 58 | * Specify received message. |
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| 59 | * @return \static $this |
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| 60 | */ |
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| 61 | 2 | public function received() |
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| 66 | } |
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| 67 |
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: