1 | <?php |
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20 | trait TrackingRenamerTrait |
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21 | { |
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22 | /** |
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23 | * Renamed variables |
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24 | * |
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25 | * @var string[] |
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26 | **/ |
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27 | private $renamed = array(); |
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28 | |||
29 | /** |
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30 | * Record renaming of method |
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31 | * |
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32 | * @param string $method |
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33 | * @param string $newName |
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34 | * @return SkipTrait |
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35 | **/ |
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36 | protected function renamed($method, $newName) |
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42 | |||
43 | /** |
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44 | * Has a method been renamed? |
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45 | * |
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46 | * @param string $method |
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47 | * @return bool |
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48 | **/ |
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49 | protected function isRenamed($method) |
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62 | |||
63 | /** |
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64 | * Get new name of a method |
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65 | * |
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66 | * @param string $method |
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67 | * @return string |
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68 | **/ |
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69 | protected function getNewName($method) |
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80 | |||
81 | /** |
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82 | * Reset renamed list |
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83 | * |
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84 | * @return SkipTrait |
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85 | **/ |
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86 | protected function resetRenamed() |
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92 | } |
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93 |
In PHP traits cannot be used for type-hinting as they do not define a well-defined structure. This is because any class that uses a trait can rename that trait’s methods.
If you would like to return an object that has a guaranteed set of methods, you could create a companion interface that lists these methods explicitly.