db8c757a_PHP__db2_client_info___Manual_DB2_client_properties_Return_type
[Property name] DRIVER_ODBC_VER [Description] The version of ODBC that the DB2 client supports. This returns a string "MM.mm" where MM is the major version and mm is the minor version. The DB2 client always returns "03.51". [Return type] 
string
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PHP: db2_client_info - Manual