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Commit 930f166

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benito103ebenito103e
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Highligh 'extensions' instead of 'mimeTypes' for File constraint
You should always use the extensions option instead of mimeTypes except if you explicitly don't want to check that the extension of the file is consistent with its content (this can be a security issue). By default, the extensions option also checks the media type of the file.
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‎controller/upload_file.rst

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+2-5Lines changed: 2 additions & 5 deletions
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@@ -77,11 +77,8 @@ so Symfony doesn't try to get/set its value from the related entity::
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'constraints' => [
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new File([
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'maxSize' => '1024k',
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'mimeTypes' => [
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'application/pdf',
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'application/x-pdf',
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],
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'mimeTypesMessage' => 'Please upload a valid PDF document',
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'extensions' => ['pdf'],
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'extensionsMessage' => 'Please upload a valid PDF document',
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])
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],
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])

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