odbc_errormsg
(PHP 4 >= 4.0.5, PHP 5, PHP 7)
odbc_errormsg — Get the last error message
说明
odbc_errormsg
([ resource
$connection_id
] ) : stringReturns a string containing the last ODBC error message, or an empty string if there has been no errors.
返回值
If connection_id is specified, the last state
of that connection is returned, else the last state of any connection
is returned.
This function returns meaningful value only if last odbc query failed
(i.e. odbc_exec() returned FALSE).