rawkode /
eidetic
| 1 | <?php |
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| 7 | trait EventPublisherMixin |
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| 8 | { |
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| 9 | /** |
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| 10 | * @var array |
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| 11 | */ |
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| 12 | private $eventSubscribers = [ ]; |
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| 13 | |||
| 14 | /** |
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| 15 | * @param EventSubscriber $eventSubscriber |
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| 16 | */ |
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| 17 | 2 | public function registerEventSubscriber($eventSubscriber) |
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| 21 | |||
| 22 | /** |
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| 23 | * @param int $eventHook |
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| 24 | * @param object $event |
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| 25 | */ |
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| 26 | public function publish($eventHook, $event) |
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| 33 | } |
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| 34 |
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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: