(PHP 4, PHP 5, PHP 7)
  	
    
      
      Number of columns in a result
    
    
      
      int odbc_num_fields ( resource $result_id )
    
    
    
    Gets the number of fields (columns) in an ODBC result.
Parameters: 
  
      
      
      	result_id
    	
 
    	The result identifier returned by odbc_exec().
Returns: 
    Returns the number of fields, or -1 on error.
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