Passed
Pull Request — master (#33)
by Melech
04:22 queued 01:07
created

Union   A

Complexity

Total Complexity 1

Size/Duplication

Total Lines 11
Duplicated Lines 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
eloc 4
c 1
b 0
f 0
dl 0
loc 11
rs 10
wmc 1

1 Method

Rating   Name   Duplication   Size   Complexity  
A __construct() 0 3 1
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<?php
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declare(strict_types=1);
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/*
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 * This file is part of the Valkyrja Framework package.
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 *
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 * (c) Melech Mizrachi <[email protected]>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Valkyrja\Type\Attributes;
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use Attribute;
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use Valkyrja\Type\Enums\Type;
0 ignored issues
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Bug introduced by
This use statement conflicts with another class in this namespace, Valkyrja\Type\Attributes\Type. 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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/**
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 * Attribute Union.
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 *
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 * @author Melech Mizrachi
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 */
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#[Attribute(Attribute::TARGET_ALL | Attribute::IS_REPEATABLE)]
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class Union
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{
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    /**
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     * @var array<int, Intersection|self|Type>
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     */
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    public array $types = [];
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    public function __construct(Type|Intersection|self ...$types)
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    {
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        $this->types = $types;
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    }
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}
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