# Constante predefinite

Constantele de mai jos sunt definite de această extensie și vor fi disponibile doar dacă această extensie a fost compilată în interiorul PHP, sau a fost încărcată dinamic în timpul rulării.

MySQL Memcache Plugin related

`MYSQLND_MEMCACHE_DEFAULT_REGEXP` (string)
  Default regular expression (PCRE style) used for matching SELECT statements that will be mapped into a MySQL Memcache Plugin access point, if possible. It is also possible to use mysqlnd_memcache_set(), but the default approach is using this regular expression for pattern matching.

Assorted

The version number of this plugin can be obtained by using `MYSQLND_MEMCACHE_VERSION` or `MYSQLND_MEMCACHE_VERSION_ID`. `MYSQLND_MEMCACHE_VERSION` is the string representation of the numerical version number `MYSQLND_MEMCACHE_VERSION_ID`, which is an integer such as 10000. Developers can calculate the version number as follows.

Version (part) | Example
--- | ---
Major*10000 | 1*10000 = 10000
Minor*100 | 0*100 = 0
Patch | 0 = 0
MYSQLND_MEMCACHE_VERSION_ID | 10000

`MYSQLND_MEMCACHE_VERSION` (string)
  Plugin version string, for example, 1.0.0-alpha.
`MYSQLND_MEMCACHE_VERSION_ID` (integer)
  Plugin version number, for example, 10000.