sp.disable_functions.function("testFunction").ret("0").drop().disable();
sp.disable_functions.function("strpos").ret("0").drop().filename_r(".*\\.php");
sp.disable_functions.function_r("str[ia]pos").ret_r("^[^a-z]+$").drop();
sp.disable_functions.function_r("stripos").ret_r("^[^a-z]+").drop();
sp.disable_functions.function("Bob::a").ret("0").drop();