php man page for odbc_data_source

ODBC_DATA_SOURCE(3)							 1						       ODBC_DATA_SOURCE(3)

odbc_data_source - Returns information about a current connection

SYNOPSIS
       array odbc_data_source (resource  $connection_id, int  $fetch_type)

DESCRIPTION
	This function will return the list of available DSN (after calling it several times).

PARAMETERS
	      o $connection_id
		-The ODBC connection identifier, see odbc_connect(3) for details.

	      o $fetch_type
		- The $fetch_type can be one of two constant types: SQL_FETCH_FIRST, SQL_FETCH_NEXT. Use SQL_FETCH_FIRST the first time this func-
		tion is called, thereafter use the SQL_FETCH_NEXT.

RETURN VALUES
	Returns FALSE on error, and an array upon success.

PHP Documentation Group 												       ODBC_DATA_SOURCE(3)