预定义常量
下列常量由此扩展定义，且仅在此扩展编译入 PHP 或在运行时动态载入时可用。
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 |