(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SQLite3Result::columnName — Returns the name of the nth column
Returns the name of the column specified by the
column.
Note that the name of a result column is the value of the AS clause
for that column, if there is an AS clause. If there is no AS
clause then the name of the column is unspecified and may change from one release of libsqlite3
to the next.
columnThe numeric zero-based index of the column.