db2_field_num
(no version information, might be only in CVS)
db2_field_num -- Returns the position of the named column in a result set说明
int db2_field_num ( resource stmt, mixed column )| 警告 |
本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。 |
Returns the position of the named column in a result set.
参数
- stmt
Specifies a statement resource containing a result set.
- column
Specifies the column in the result set. This can either be an integer representing the 0-indexed position of the column, or a string containing the name of the column.
返回值
Returns an integer containing the 0-indexed position of the named column in the result set. If the specified column does not exist in the result set, db2_field_num() returns FALSE.
参见
| db2_field_display_size() |
| db2_field_name() |
| db2_field_precision() |
| db2_field_scale() |
| db2_field_type() |
| db2_field_width() |