Innmind /
AMQP
| 1 | <?php |
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| 2 | declare(strict_types = 1); |
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| 3 | |||
| 4 | namespace Innmind\AMQP\Transport; |
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| 5 | |||
| 6 | use Innmind\AMQP\Transport\{ |
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| 7 | Frame\Method, |
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| 8 | Protocol\Version, |
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| 9 | Protocol\Connection, |
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| 10 | Protocol\Channel, |
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| 11 | Protocol\Exchange, |
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| 12 | Protocol\Queue, |
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| 13 | Protocol\Basic, |
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| 14 | Protocol\Transaction, |
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| 15 | }; |
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| 16 | use Innmind\Stream\Readable; |
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| 17 | use Innmind\Immutable\StreamInterface; |
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| 18 | |||
| 19 | interface Protocol |
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| 20 | { |
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| 21 | public function version(): Version; |
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| 22 | public function use(Version $version): self; |
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| 23 | |||
| 24 | /** |
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| 25 | * @return StreamInterface<Value> |
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| 26 | */ |
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| 27 | public function read(Method $method, Readable $arguments): StreamInterface; |
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| 28 | |||
| 29 | /** |
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| 30 | * @return StreamInterface<Value> |
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| 31 | */ |
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| 32 | public function readHeader(Readable $arguments): StreamInterface; |
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| 33 | public function method(string $name): Method; |
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| 34 | public function connection(): Connection; |
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| 35 | public function channel(): Channel; |
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| 36 | public function exchange(): Exchange; |
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| 37 | public function queue(): Queue; |
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| 38 | public function basic(): Basic; |
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| 39 | public function transaction(): Transaction; |
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| 40 | } |
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| 41 |
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: