SQLite3::createFunction Registers a PHP function for use as an SQL scalar function &reftitle.description; public boolSQLite3::createFunction stringname callablecallback intargCount-1 intflags0 Registers a PHP function or user-defined function for use as an SQL scalar function for use within SQL statements. &reftitle.parameters; name Name of the SQL function to be created or redefined. callback The name of a PHP function or user-defined function to apply as a callback, defining the behavior of the SQL function. This function need to be defined as: mixedcallback mixedvalue mixedvalues value The first argument passed to the SQL function. values Further arguments passed to the SQL function. argCount The number of arguments that the SQL function takes. If this parameter is -1, then the SQL function may take any number of arguments. flags A bitwise conjunction of flags. Currently, only SQLITE3_DETERMINISTIC is supported, which specifies that the function always returns the same result given the same inputs within a single SQL statement. &reftitle.returnvalues; Returns &true; upon successful creation of the function, &false; on failure. &reftitle.changelog; &Version; &Description; 7.1.4 The flags parameter has been added. &reftitle.examples; createFunction('my_udf_md5', 'my_udf_md5'); var_dump($db->querySingle('SELECT my_udf_md5("test")')); ?> ]]> &example.outputs.similar;