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File::guessExtension()

string|null guessExtension()

Returns the extension based on the mime type.

If the mime type is unknown, returns null.

This method uses the mime type as guessed by getMimeType() to guess the file extension.

Return Value

string|null

The guessed extension or null if it cannot be guessed

See also

ExtensionGuesser
getMimeType()

Links:

http://api.symfony.com/master/Symfony/Component/HttpFoundation/File/File.html#method_guessExtension

doc_Symfony

2016-10-28 06:16:23

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