| 1 | <?php |
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| 11 | trait ArrayAccessTrait |
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| 12 | { |
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| 13 | /** |
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| 14 | * @param mixed $offset |
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| 15 | * @return bool |
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| 16 | */ |
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| 17 | public function offsetExists($offset) |
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| 21 | |||
| 22 | /** |
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| 23 | * @param mixed $offset |
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| 24 | * @return Route|null |
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| 25 | */ |
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| 26 | 1 | public function offsetGet($offset) |
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| 30 | |||
| 31 | /** |
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| 32 | * @param mixed $offset |
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| 33 | * @param mixed $value |
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| 34 | */ |
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| 35 | public function offsetSet($offset, $value) |
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| 39 | |||
| 40 | /** |
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| 41 | * @param mixed $offset |
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| 42 | */ |
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| 43 | public function offsetUnset($offset) |
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| 47 | } |
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.