cubrid_num_fields
(PECL CUBRID >= 8.3.0)
cubrid_num_fields — Return the number of columns in the result set
说明
cubrid_num_fields (
resource
$result ) :
int
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.
范例
Example #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);
?>
以上例程会输出：
Row Num: 6 Column Num: 2
