Php/docs/function.odbc-num-fields
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odbc_num_fields
(PHP 4, PHP 5, PHP 7)
odbc_num_fields — Number of columns in a result
说明
odbc_num_fields
( resource $result_id
) : int
Gets the number of fields (columns) in an ODBC result.
返回值
Returns the number of fields, or -1 on error.