odbc_error
  Get the last error code
  
 
  Description
  
   string odbc_error
    ([ resource $connection_id
  ] )
  
   Returns a six-digit ODBC state, or an empty string if there has been no
   errors.
  
  
 
  Parameters
  
   
    
     - 
connection_id
- 
      The ODBC connection identifier,
see odbc_connect for details. 
 
 
  Return Values
  
   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).