Conditions | 3 |
Paths | 3 |
Total Lines | 10 |
Code Lines | 5 |
Lines | 0 |
Ratio | 0 % |
Changes | 0 |
1 | <?php |
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27 | public function validate($value, Constraint $constraint) |
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28 | { |
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29 | if (!$value instanceof ExchangeRateInterface) { |
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30 | throw new UnexpectedTypeException($value, ExchangeRateInterface::class); |
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31 | } |
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32 | |||
33 | if ($value->getSourceCurrency() === $value->getTargetCurrency()) { |
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34 | $this->context->buildViolation($constraint->message)->addViolation(); |
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35 | } |
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36 | } |
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37 | } |
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38 |
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: