CUBRID 函数
PHP Manual

cubrid_num_rows

(PECL CUBRID >= 8.3.0)

cubrid_num_rowsIs used to get the number of rows

说明

int cubrid_num_rows ( resource $req_identifier )

The cubrid_num_rows() function is used to get the number of rows from the query result. You can use it only when the query executed is a select sentence. When you want to know such value for INSERT, UPDATE, or DELETE query, you have to use the cubrid_affected_rows() function.

Note: The cubrid_num_rows() function can only be used for synchronous query; it returns 0 when it is used for asynchronous query.

参数

req_identifier

Request identifier.

返回值

Number of rows, when process is successful.

0 when the query was done in async mode.

-1, if SQL sentence is not SELECT.

范例

Example #1 cubrid_num_rows() example

<?php
$req 
cubrid_execute ($con"select * from member");
if (
$req) {
   
$rows_count cubrid_num_rows ($req);
   
$cols_count cubrid_num_cols ($req);
   echo 
"result set rows count : $rows\n";
   echo 
"result set columns count : $cols\n";
   
cubrid_close_request ($req);
}
?>

参见


CUBRID 函数
PHP Manual