(PHP 5 >= 5.3.0)
SQLite3Result::columnType — Returns the type of the nth column
Returns the type of the column identified by column_number .
The 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).