PHP 5.3.3 or a newer version of
For using the APC storage handler with PECL/mysqlnd_qc 1.0 APC
3.1.3p1-beta or newer. PECL/mysqlnd_qc 1.2 has been tested
with APC 3.1.13-beta. The APC storage handler cannot be
used with a shared build. You cannot use the PHP configuration
directive extension to load the APC and PECL/mysqlnd_qc
extensions if PECL/mysqlnd_qc will use APC as a storage handler.
For using the APC storage handler, you have to statically compile
PHP with APC and PECL/mysqlnd_qc support into PHP.
For using MEMCACHE storage handler: Use
libmemcache 0.38 or newer. PECL/mysqlnd_qc 1.2 has been
tested with libmemcache 1.4.0.
For using sqlite storage handler: Use the
sqlite3 extension that
bundled with PHP.