Php/docs/function.odbc-num-fields

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odbc_num_fields

(PHP 4, PHP 5, PHP 7)

odbc_num_fieldsNumber of columns in a result


说明

odbc_num_fields ( resource $result_id ) : int

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


参数

result_id
The result identifier returned by odbc_exec().


返回值

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