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PHP Manual

## Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

MS SQL Server configuration options
Name | Default | Changeable | Changelog
--- | --- | --- | ---
mssql.allow_persistent | "1" | PHP_INI_SYSTEM |
mssql.max_persistent | "-1" | PHP_INI_SYSTEM |
mssql.max_links | "-1" | PHP_INI_SYSTEM |
mssql.min_error_severity | "10" | PHP_INI_ALL |
mssql.min_message_severity | "10" | PHP_INI_ALL |
mssql.compatability_mode | "0" | PHP_INI_ALL |
mssql.connect_timeout | "5" | PHP_INI_ALL |
mssql.timeout | "60" | PHP_INI_ALL | Available since PHP 4.1.0.
mssql.textsize | "-1" | PHP_INI_ALL |
mssql.textlimit | "-1" | PHP_INI_ALL |
mssql.batchsize | "0" | PHP_INI_ALL | Available since PHP 4.0.4.
mssql.datetimeconvert | "1" | PHP_INI_ALL | Available since PHP 4.2.0.
mssql.secure_connection | "0" | PHP_INI_SYSTEM | Available since PHP 4.3.0.
mssql.max_procs | "-1" | PHP_INI_ALL | Available since PHP 4.3.0.
mssql.charset | "" | PHP_INI_ALL | Available since PHP 5.1.2 when built with FreeTDS 7.0 or greater.

For further details and definitions of the PHP_INI_* modes, see the Where a configuration setting may be set.

Installation
Resource Types
Installing/Configuring
PHP Manual