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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20
use Symfony\Component\Console\Input\InputInterface;
21
use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Finder\Finder;
23
24
/**
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* Class ClearCacheCommand.
26
*/
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class ClearCacheCommand extends Command implements CommandInterface
28
{
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/**
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* @var Config
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*/
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private $config;
33
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/**
35
* @var LoggerInterface
36
*/
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private $logger;
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public function __construct(?string $name = null, Config $config, LoggerInterface $logger)
40
{
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parent::__construct($name);
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$this->config = $config;
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$this->logger = $logger;
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}
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protected function configure(): void
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{
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$this
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->setName('clear-cache')
50
->setAliases(array('cc'))
51
;
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}
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protected function execute(InputInterface $input, OutputInterface $output): void
dotfilesphp /
dotfiles
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: