(PHP 5 >= 5.3.0)
SQLite3Result::columnType — Returns the type of the nth column
$column_number
   )
   Returns the type of the column identified by
   column_number.
  
column_numberThe numeric zero-based index of the column.
   Returns the data type index of the column identified by
   column_number (one of
   SQLITE3_INTEGER, SQLITE3_FLOAT,
   SQLITE3_TEXT, SQLITE3_BLOB, or
   SQLITE3_NULL).