cubrid_num_cols
(PECL CUBRID >= 8.3.0)
cubrid_num_cols — Return the number of columns in the result set
説明
cubrid_num_cols
( resource $result
) : int
The cubrid_num_cols() function is used to get the number of columns from the query result. It can only be used when the query executed is a select statement.
パラメータ
result- Result.
返り値
Number of columns, when process is successful.
false, if SQL statement is not SELECT.
例
例1 cubrid_num_cols() example
<?php$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);?>
上の例の出力は以下となります。
Row Num: 6 Column Num: 2
参考
- cubrid_execute() - Execute a prepared SQL statement
- cubrid_num_rows() - Get the number of rows in the result set
