| 1 | <?php |
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| 9 | trait HasFeatures |
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| 10 | { |
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| 11 | /** |
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| 12 | * @param PlanFeature|Model $feature |
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| 13 | */ |
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| 14 | public function addFeature(PlanFeature $feature) |
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| 18 | |||
| 19 | public function features(): HasMany |
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| 23 | |||
| 24 | public function addFeatures(array $features) |
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| 28 | |||
| 29 | public function getFeatureByCode($featureCode) |
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| 33 | |||
| 34 | public function hasFeatures(): bool |
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| 38 | } |
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| 39 |
This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idableprovides a methodequalsIdthat in turn relies on the methodgetId(). If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()as an abstract method to the trait will make sure it is available.