| 1 | <?php |
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| 7 | trait EventTrait { |
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| 8 | /** |
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| 9 | * On event fired |
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| 10 | * @param string $event |
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| 11 | * @param callable $callback [description] |
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| 12 | * @return void |
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| 13 | */ |
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| 14 | abstract function on($event, callable $callback); |
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| 15 | |||
| 16 | /** |
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| 17 | * Emit event |
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| 18 | * @param string $event |
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| 19 | * @param array $arguments |
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| 20 | * @return void |
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| 21 | */ |
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| 22 | abstract function emit($event, array $arguments = []); |
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| 23 | |||
| 24 | /** |
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| 25 | * Helper to listing to after event |
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| 26 | * |
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| 27 | * @param Callable $callback |
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| 28 | * @return Void |
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| 29 | */ |
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| 30 | public function after($callback) |
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| 44 | } |
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.