odbc_field_len()
(PHP 4, PHP 5, PHP 7)
Get the length(precision)of a field
说明
odbc_field_len(resource $result_id,int $field_number): int
Gets the length of the field referenced by number in the given result identifier.
参数
- $result_id
The result identifier.
- $field_number
The field number. Field numbering starts at 1.
返回值
Returns the field length, or FALSE on error.
参见
odbc_field_scale()Get the scale of a field to get the scale of a floating point number