odbc_field_len
(PHP 4, PHP 5, PHP 7, PHP 8)
odbc_field_len — Get the length (precision) of a field
说明
odbc_field_len
( resource
$statement
, int $field
) : int|falseGets the length of the field referenced by number in the given result identifier.
参数
-
statement
-
The result identifier.
-
field
-
The field number. Field numbering starts at 1.
返回值
Returns the field length, or false
on error.