This extension requires PHP 5.4.4 or newer.
For accessing InnoDB tables this PHP extension requires MySQL Server 5.6.6 or newer with the InnoDB Memcache Daemon Plugin.
For accessing MySQL Cluster NDB tables this PHP extensions requires MySQL Cluster 7.2 or newer with configured NDB Memcache API nodes.
PHP must be compiled with support for Perl regular expressions through the pcre extension. PCRE is included into PHP by default.
The memcached extension 2.0.x must be loaded into PHP.
The mysqlnd_memcache memcache plugin supports all PHP applications and all available PHP MySQL extensions (mysqli, mysql, PDO_MYSQL). The PHP MySQL extension must be configured to use mysqlnd in order to be able to use the mysqlnd_memcache plugin for mysqlnd.