Runtime Configuration
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mysqlnd_mux
PHP Manual

# Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

Other

The plugins version number can be obtained using `MYSQLND_MUX_VERSION` or `MYSQLND_MUX_VERSION_ID`. `MYSQLND_MUX_VERSION` is the string representation of the numerical version number `MYSQLND_MUX_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_MUX_VERSION_ID | 10000

`MYSQLND_MUX_VERSION` (string)
  Plugin version string, for example, "1.0.0-prototype".
`MYSQLND_MUX_VERSION_ID` (integer)
  Plugin version number, for example, 10000.

Runtime Configuration
Change History
mysqlnd_mux
PHP Manual