1 | <?php |
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29 | class TraceableNetwork extends AbstractNetworkAdapter implements NetworkAdapterinterface |
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30 | { |
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31 | private $logger; |
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32 | |||
33 | 2 | public function __construct(NetworkInterface $network, LoggerInterface $logger) |
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40 | |||
41 | /** |
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42 | * Wrap the creation of the callback |
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43 | * |
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44 | * @return \Closure |
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45 | */ |
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46 | private function trace() |
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63 | } |
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64 |
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: