1 | <?php |
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12 | class CacheBackend extends AbstractBackendInterface |
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13 | { |
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14 | |||
15 | /** |
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16 | * @var BackendInterface |
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17 | */ |
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18 | protected $backend; |
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19 | |||
20 | /** |
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21 | * @return string |
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22 | */ |
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23 | public function getType(): string |
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27 | |||
28 | /** |
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29 | * @return string |
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30 | */ |
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31 | public function getStatus(): string |
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35 | |||
36 | /** |
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37 | * @return mixed|\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface |
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38 | * @throws \TYPO3\CMS\Core\Cache\Exception\NoSuchCacheException |
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39 | */ |
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40 | public function getBackend() |
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48 | } |
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49 |
Let’s assume that you have a directory layout like this:
and let’s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: