1 | <?php declare(strict_types=1); |
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16 | final class WebSocket extends Subject |
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17 | { |
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18 | private $ws; |
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19 | private $sendSubject; |
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20 | |||
21 | 4 | public function __construct(string $url, bool $useMessageObject = false, array $subProtocols = [], LoopInterface $loop = null, Resolver $dnsResolver = null) |
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26 | |||
27 | public function onNext($value) |
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31 | |||
32 | 1 | protected function _subscribe(ObserverInterface $observer): DisposableInterface |
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49 | } |
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50 |
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: