PHP Manual

Runtime Configuration

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

**DBX Configuration Options**
Name	Default	Changeable	Changelog
dbx.colnames_case	"unchanged"	PHP_INI_SYSTEM	Available since PHP 4.3.0. Removed in PHP 5.1.0.

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

Here's a short explanation of the configuration directives.

dbx.colnames_case string: Columns names can be returned "unchanged" or converted to "uppercase" or "lowercase". This directive can be overridden with a flag to dbx_query().