1 | <?php |
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19 | trait IndexAwareTrait |
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20 | { |
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21 | |||
22 | private $index = ''; |
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23 | |||
24 | /** |
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25 | * Get currently used index |
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26 | * @return string |
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27 | */ |
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28 | 1 | public function getIndex() |
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36 | |||
37 | /** |
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38 | * Set currently used index |
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39 | * @param string $index |
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40 | * @return static |
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41 | */ |
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42 | 1 | public function setIndex($index) |
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51 | |||
52 | } |
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53 |
If you access a property on an interface, you most likely code against a concrete implementation of the interface.
Available Fixes
Adding an additional type check:
Changing the type hint: