cubrid_num_cols
(PECL CUBRID >= 8.3.0)
cubrid_num_cols — Return the number of columns in the result set
说明
cubrid_num_cols(resource$result): int
The cubrid_num_cols() function is used to get the
number of columns from the query result. It can only be used when the
query executed is a SELECT statement.
参数
result
Result.
返回值
Number of columns, when process is successful.
false, if SQL statement is not SELECT.
范例
示例 #1 cubrid_num_cols() example
<?php
$conn = cubrid_connect("localhost", 33000, "demodb", "dba");
$req = cubrid_execute($conn, "SELECT * FROM code");
$row_num = cubrid_num_rows($req);
$col_num = cubrid_num_cols($req);
printf("Row Num: %d\nColumn Num: %d\n", $row_num, $col_num);
cubrid_disconnect($conn);
?>
以上例程会输出：
Row Num: 6 Column Num: 2
参见
cubrid_execute() - Execute a prepared SQL statement cubrid_num_rows() - Get the number of rows in the result set
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/function.cubrid-num-cols.php