(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SQLite3Result::columnType — Returns the type of the nth column
$column): int|false
   Returns the type of the column identified by
   column.
  
columnThe numeric zero-based index of the column.
   Returns the data type index of the column identified by
   column (one of
   SQLITE3_INTEGER, SQLITE3_FLOAT,
   SQLITE3_TEXT, SQLITE3_BLOB, or
   SQLITE3_NULL), or false if the column does not exist.