| 1 | <?php |
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| 7 | class SplDoublyLinkedListEntitySerializer implements EntitySerializer |
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| 8 | { |
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| 9 | /** |
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| 10 | * @return string |
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| 11 | */ |
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| 12 | public function getType() |
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| 16 | |||
| 17 | /** |
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| 18 | * @param $object |
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| 19 | * @return array |
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| 20 | */ |
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| 21 | public function serialize($object) |
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| 25 | |||
| 26 | /** |
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| 27 | * @param array $data |
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| 28 | * @return \SplDoublyLinkedList |
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| 29 | */ |
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| 30 | public function unserialize($data) |
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| 36 | } |
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| 37 |
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare 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.phpHowever, as
OtherDir/Foo.phpdoes 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: