| 1 | <?php |
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| 19 | class AliasMapper extends Mapper { |
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| 20 | |||
| 21 | /** |
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| 22 | * @param IDb $db |
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| 23 | */ |
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| 24 | public function __construct(IDb $db) { |
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| 27 | |||
| 28 | /* |
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| 29 | * TODO: Add function for CRUD by user id and email |
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| 30 | */ |
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| 31 | |||
| 32 | /** |
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| 33 | * Saves an Alias into the database |
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| 34 | * @param Alias $alias |
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| 35 | * @return Alias |
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| 36 | */ |
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| 37 | public function save(Alias $alias) { |
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| 45 | |||
| 46 | } |
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| 47 |
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: