PHP Manual
mSQL 函数
Get number of fields in result

msql_num_fields

(PHP 4, PHP 5, PHP 7)

msql_num_fields — Get number of fields in result

说明

msql_num_fields ( resource $result ) : int

msql_num_fields() returns the number of fields in a result set.

参数

result: resource 型的结果集。此结果集来自对 msql_query() 的调用。

返回值

Returns the number of fields in the result set.

参见

msql_query() - Send mSQL query
msql_fetch_field() - Get field information
msql_num_rows() - Get number of rows in result

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