80d81ecf_PHP__db2_client_info___Manual_DB2_client_properties_Return_type
[Property name] ODBC_VER [Description] The version of ODBC that the ODBC driver manager supports. This returns a string "MM.mm.rrrr" where MM is the major version, mm is the minor version, and rrrr is the release. The DB2 client always returns "03.01.0000". [Return type] 
string
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PHP: db2_client_info - Manual