80d81ecf_PHP__db2_client_info___Manual_DB2_client_properties_Return_type
[Property name] DRIVER_VER [Description] The version of the client, in the form of a string "MM.mm.uuuu" where MM is the major version, mm is the minor version, and uuuu is the update. For example, "08.02.0001" represents major version 8, minor version 2, update 1. [Return type] 
string
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PHP: db2_client_info - Manual