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Change MySQL UTF-8 examples to use utf8mb4 #5100

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Change MySQL UTF-8 examples to use utf8mb4 #5100

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9b5eb8f
Change MySQL UTF-8 examples to use utf8mb4, which is closer to the st…
DHager Mar 20, 2015
cbb500d
Fix example name to avoid breaking collision with standard data-colle…
Mar 24, 2015
62acae4
Add a cautionary note telling users where the "standard" data-collect…
Mar 24, 2015
a094740
Revert "Add a cautionary note telling users where the "standard" data…
Mar 24, 2015
cdd1d2f
Revert "Fix example name to avoid breaking collision with standard da…
Mar 25, 2015
4ae1446
Indenting caution block to nest it inside the sidebar
Mar 25, 2015
44a03eb
Add backticks for code-styling
Mar 26, 2015
6206f23
Rewrite utf8mb4 cautions, add comment into sample configuration
Apr 29, 2015
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10 changes: 8 additions & 2 deletions book/doctrine.rst
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Expand Up @@ -141,8 +141,13 @@ for you:
.. code-block:: ini

[mysqld]
collation-server = utf8_general_ci
character-set-server = utf8
# Version 5.5.3 introduced "utf8mb4", which is recommended
collation-server = utf8mb4_general_ci # Replaces utf8_general_ci
character-set-server = utf8mb4 # Replaces utf8

We recommend against MySQL's ``utf8`` character set, since it does not
support 4-byte unicode characters, and strings containing them will be
truncated. This is fixed by the `newer utf8mb4 character set`_.

.. note::

Expand Down Expand Up @@ -1419,3 +1424,4 @@ For more information about Doctrine, see the *Doctrine* section of the
.. _`migrations`: http://symfony.com/doc/current/bundles/DoctrineMigrationsBundle/index.html
.. _`DoctrineFixturesBundle`: http://symfony.com/doc/current/bundles/DoctrineFixturesBundle/index.html
.. _`FrameworkExtraBundle documentation`: http://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/annotations/converters.html
.. _`newer utf8mb4 character set`: https://dev.mysql.com/doc/refman/5.5/en/charset-unicode-utf8mb4.html