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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18
19
class Context extends Component implements Bootable
20
{
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private const CONF_KEY = 'ctx.trans.allowed';
22
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/**
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* @var array
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*/
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protected $dependencies = [Invoker::class];
27
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/**
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* @param Application $app
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*/
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public function starting(Application $app) : void
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{
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$handler = static function ($value) {
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if (is_null($value)) {
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Client::layers()->remove(ContextPacking::class);
36
return;
37
}
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$keys = explode('|', $value);
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if (empty($keys)) {
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return;
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}
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/**
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* @var ContextPacking $client
47
*/
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$client = DI::has(ContextPacking::class)
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? DI::get(ContextPacking::class)
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: DI::set(ContextPacking::class, new ContextPacking())
carno-php /
hrpcc
moyo
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: