odbc_num_fields(3) php man page | unix.com

ODBC_NUM_FIELDS(3)							 1							ODBC_NUM_FIELDS(3)

odbc_num_fields - Number of columns in a result

SYNOPSIS
       int odbc_num_fields (resource  $result_id)

DESCRIPTION
	Gets the number of fields (columns) in an ODBC result.

PARAMETERS
	      o $result_id
		- The result identifier returned by odbc_exec(3).

RETURN VALUES
	Returns the number of fields, or -1 on error.

PHP Documentation Group 													ODBC_NUM_FIELDS(3)