php-http /
message
| 1 | <?php |
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| 2 | |||
| 3 | namespace Http\Message\RequestMatcher; |
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| 4 | |||
| 5 | use Http\Message\RequestMatcher; |
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| 6 | use Psr\Http\Message\RequestInterface; |
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| 7 | |||
| 8 | /** |
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| 9 | * Match a request with a callback. |
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| 10 | * |
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| 11 | * @author Márk Sági-Kazár <[email protected]> |
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| 12 | */ |
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| 13 | final class CallbackRequestMatcher implements RequestMatcher |
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| 14 | { |
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| 15 | /** |
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| 16 | * @var callable |
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| 17 | */ |
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| 18 | private $callback; |
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| 19 | |||
| 20 | public function __construct(callable $callback) |
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| 21 | { |
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| 22 | $this->callback = $callback; |
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| 23 | 9 | } |
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| 24 | |||
| 25 | 9 | /** |
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| 26 | 9 | * {@inheritdoc} |
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| 27 | */ |
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| 28 | public function matches(RequestInterface $request) |
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| 29 | { |
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| 30 | return (bool) call_user_func($this->callback, $request); |
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| 31 | 4 | } |
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| 32 | } |
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| 33 |
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: