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Added a mention to APCu Polyfill in the performance article #7509

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Added a mention to APCu Polyfill in the performance article #7509

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9 changes: 8 additions & 1 deletion performance.rst
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Expand Up @@ -22,7 +22,14 @@ the need to constantly recompile the PHP source code. There are a number of
PHP comes with `OPcache`_ built-in. For older versions, the most widely used
byte code cache is probably `APC`_

Using a byte code cache really has no downside, and Symfony has been architected
.. tip::

If your server still uses the legacy APC PHP extension, install the
`APCu Polyfill component`_ in your application to enable compatibility with
`APCu PHP functions`_ and unlock support for advanced Symfony features, such
as the APCu Cache adapter.

Using a byte code cache really has no downside, and Symfony has been designed
to perform really well in this type of environment.

Further Optimizations
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