odbc_num_rows

(PHP 4, PHP 5, PHP 7, PHP 8)

odbc_num_rowsNumber of rows in a result

说明

odbc_num_rows(Odbc\Result $statement): int

Gets the number of rows in a result. For INSERT, UPDATE and DELETE statements odbc_num_rows() returns the number of rows affected. For a SELECT clause this can be the number of rows available.

参数

statement

ODBC 结果对象 returned by odbc_exec().

返回值

Returns the number of rows in an ODBC result. This function will return -1 on error.

更新日志

版本 说明
8.4.0 statement 现在需要 Odbc\Result 实例;之前需要 resource

注释

注意:

Using odbc_num_rows() to determine the number of rows available after a SELECT will return -1 with many drivers.