TransportFactoryFactory   A
last analyzed

Complexity

Total Complexity 5

Size/Duplication

Total Lines 25
Duplicated Lines 0 %

Test Coverage

Coverage 100%

Importance

Changes 0
Metric Value
wmc 5
eloc 12
dl 0
loc 25
ccs 3
cts 3
cp 1
rs 10
c 0
b 0
f 0

1 Method

Rating   Name   Duplication   Size   Complexity  
A __invoke() 0 23 5
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<?php
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declare(strict_types=1);
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namespace TMV\Laminas\Messenger\Factory\Transport;
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use Psr\Container\ContainerExceptionInterface;
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use Psr\Container\ContainerInterface;
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use Symfony\Component\Messenger\Transport\TransportFactory;
0 ignored issues
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Bug introduced by
This use statement conflicts with another class in this namespace, TMV\Laminas\Messenger\Fa...nsport\TransportFactory. Consider defining an alias.

Let?s assume that you have a directory layout like this:

.
|-- OtherDir
|   |-- Bar.php
|   `-- Foo.php
`-- SomeDir
    `-- Foo.php

and let?s assume the following content of Bar.php:

// Bar.php
namespace OtherDir;

use SomeDir\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.php
namespace OtherDir;

use SomeDir\Foo as SomeDirFoo; // There is no conflict anymore.
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use Symfony\Component\Messenger\Transport\TransportFactoryInterface;
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/**
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 * @psalm-api
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 */
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final class TransportFactoryFactory
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{
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    public function __invoke(ContainerInterface $container): TransportFactory
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    {
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        /** @var array<string> $transportFactories */
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        $transportFactories = $container->get('config')['messenger']['transport_factories'] ?? [];
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        /** @var TransportFactoryInterface[] $factories */
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        $factories = [];
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        foreach ($transportFactories as $name) {
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            if (! $container->has($name)) {
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                continue;
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            }
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            try {
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                /** @var mixed $factory */
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                $factory = $container->get($name);
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                if ($factory instanceof TransportFactoryInterface) {
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                    $factories[] = $factory;
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                }
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            } catch (ContainerExceptionInterface $e) {
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                /** ignore */
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            }
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        }
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        return new TransportFactory($factories);
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    }
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}
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