## Example

`

     void sqlite_create_function ( resource $dbhandle , string $function_name , callback $callback [, int $num_args = -1 ] )

`

## Description

Object oriented style (method): void SQLiteDatabase::createFunction ( string $function_name , callback $callback [, int $num_args = -1 ] )
sqlite_create_function() allows you to register a PHP function with SQLite as an UDF (User Defined Function), so that it can be called from within your SQL statements. The UDF can be used in any SQL statement that can call functions, such as SELECT and UPDATE statements and also in triggers.

## Return Values

No value is returned.