These functions allow you to access mSQL database servers. More information about mSQL can be found at http://www.hughes.com.au/.
In order to have these functions available, you must compile PHP with msql support by using the --with-msql[=DIR] option. DIR is the mSQL base install directory, defaults to /usr/local/Hughes.
Note to Win32 Users: In order to enable this module on a Windows environment, you must copy msql.dll from the DLL folder of the PHP/Win32 binary package to the SYSTEM32 folder of your windows machine. (Ex: C:\WINNT\SYSTEM32 or C:\WINDOWS\SYSTEM32)
The behaviour of these functions is affected by settings in php.ini.
Table 1. mSQL configuration options
For further details and definition of the PHP_INI_* constants see ini_set()
Here is a short explanation of the configuration directives.
Whether to allow persistent mSQL connections.
The maximum number of persistent mSQL connections per process.
The maximum number of mSQL connections per process, including persistent connections.
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.