| 1 | <?php |
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| 13 | trait ServiceTrait |
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| 14 | { |
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| 15 | /** |
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| 16 | * @param array $data |
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| 17 | * @return Token |
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| 18 | */ |
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| 19 | public function issueToken(array $data) |
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| 26 | |||
| 27 | public function checkToken($token, array $data) |
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| 36 | |||
| 37 | public function findToken($token) |
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| 47 | |||
| 48 | public function removeToken($token) |
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| 52 | |||
| 53 | protected function readToken($string) |
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| 57 | |||
| 58 | protected function writeToken(Token $token) |
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| 62 | } |
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| 63 |
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.