and let?s assume the following content of Bar.php:
// Bar.phpnamespaceOtherDir;useSomeDir\Foo;// This now conflicts the class OtherDir\Foo
If both files OtherDir/Foo.php and SomeDir/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 before OtherDir/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:
// Bar.phpnamespaceOtherDir;useSomeDir\FooasSomeDirFoo;// There is no conflict anymore.
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use Swarrot\Processor\Callback\CallbackProcessor;
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$client = new \Stomp\Client('tcp://localhost:61613');
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$client->setLogin('stompUser', 'stompPass');
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$client->setVhostname('/');
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$client->connect();
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$stompMessageProvider = new StatefulStompMessageProvider($client, '/queue/stomp_queue');
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$processor = new CallbackProcessor(function (Message $message, array $options) use ($stompMessageProvider) {
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$body = $message->getBody();
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if ('wrong' == $body) {
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echo "$body NACK\r\n";
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$stompMessageProvider->nack($message);
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return;
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}
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echo "$body\r\n";
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$stompMessageProvider->ack($message);
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});
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$consumer = new Consumer($stompMessageProvider, $processor);
swarrot /
swarrot
Olivier Dolbeau
instabledesign
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: