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1 | <?php |
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13 | class InvalidArgumentError extends UserError |
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14 | { |
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15 | /** |
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16 | * @var string |
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17 | */ |
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18 | private $name; |
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19 | |||
20 | /** @var ConstraintViolationListInterface */ |
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21 | private $errors = []; |
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22 | |||
23 | 1 | public function __construct($name, ConstraintViolationListInterface $errors, $message = '', $code = 0, \Exception $previous = null) |
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29 | |||
30 | /** |
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31 | * @return string |
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32 | */ |
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33 | 1 | public function getName() |
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37 | |||
38 | /** |
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39 | * @return ConstraintViolationListInterface |
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40 | */ |
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41 | 1 | public function getErrors() |
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45 | } |
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46 |
Let’s assume that you have a directory layout like this:
and let’s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/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 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: