cubrid_num_fields
(PECL CUBRID >= 8.3.0)
cubrid_num_fields — Return the number of columns in the result set
说明
This function returns the number of columns in the result set, on success, or it returns FALSE on failure.
返回值
Number of columns, on success.
-1 if SQL sentence is not SELECT.
false when process is unsuccessful.
示例
示例 #1 cubrid_num_fields() example
<?php
$conn = cubrid_connect("localhost", 33000, "demodb");
$req = cubrid_execute($conn, "SELECT * FROM code");
$row_num = cubrid_num_rows($req);
$col_num = cubrid_num_fields($req);
printf("Row Num: %d\nColumn Num: %d\n", $row_num, $col_num);
cubrid_disconnect($conn);
?>以上示例会输出：
Row Num: 6 Column Num: 2
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