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Commit2d1ecd9

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featuresymfony#3525 Update file_uploads.rst (juanmf)
This PR was submitted for the 2.4 branch but it was merged into the 2.3 branch instead (closessymfony#3525).Discussion----------Update file_uploads.rstCode examples do not apply to Doctrine EventSubscribers scenario, on preUpdate.Cheers.Commits-------075612a Going back to the ``Caution`` alternative.2e21a0b Rewording Caution paragraph at line 4133b0c75d Update file_uploads.rst25539c5 Update file_uploads.rst
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‎cookbook/doctrine/file_uploads.rst

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@@ -410,6 +410,14 @@ Next, refactor the ``Document`` class to take advantage of these callbacks::
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}
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}
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..caution::
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If changes to your entity are handled by a Doctrine event listener or event
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subscriber, the ``preUpdate()`` callback must notify Doctrine about the changes
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being done.
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For full reference on preUpdate event restrictions, see `preUpdate`_ in the
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Doctrine Events documentation.
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The class now does everything you need: it generates a unique filename before
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persisting, moves the file after persisting, and removes the file if the
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entity is ever deleted.
@@ -546,3 +554,5 @@ You'll notice in this case that you need to do a little bit more work in
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order to remove the file. Before it's removed, you must store the file path
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(since it depends on the id). Then, once the object has been fully removed
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from the database, you can safely delete the file (in ``PostRemove``).
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.. _`preUpdate`:http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/events.html#preupdate

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