Returns an object containing field information. This function can be used to obtain information about fields in the provided query result.
The result resource that is being evaluated. This result comes from a call to mysql_query.
The numerical field offset. If the field offset is not specified, the next field that was not yet retrieved by this function is retrieved. The field_offset starts at 0.
Returns an object containing field information. The properties of the object are:
name - column name
table - name of the table the column belongs to, which is the alias name if one is defined
max_length - maximum length of the column
not_null - 1 if the column cannot be null
primary_key - 1 if the column is a primary key
unique_key - 1 if the column is a unique key
multiple_key - 1 if the column is a non-unique key
numeric - 1 if the column is numeric
blob - 1 if the column is a BLOB
type - the type of the column
unsigned - 1 if the column is unsigned
zerofill - 1 if the column is zero-filled
Field names returned by this function are case-sensitive.
If field or tablenames are aliased in the SQL query the aliased name will be returned. The original name can be retrieved for instance by using mysqli_result::fetch_field.