overblog /
GraphQLBundle
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| 1 | <?php |
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| 8 | final class ExpressionFunctionProvider implements ExpressionFunctionProviderInterface |
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| 9 | { |
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| 10 | /** |
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| 11 | * @var ExpressionFunction[] |
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| 12 | */ |
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| 13 | private $functions = []; |
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| 14 | |||
| 15 | public function addFunction(ExpressionFunction $function) |
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| 19 | |||
| 20 | /** |
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| 21 | * {@inheritdoc} |
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| 22 | */ |
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| 23 | public function getFunctions() |
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| 27 | } |
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| 28 |
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: