if (fun == null)
if (fun == null && ! isStrict())
  public AbstractFunction findMethod(String className, String methodName)  {    QuercusClass cl = findClass(className);    if (cl == null) {      error(L.l("'{0}' is an unknown class.", className));      return null;    }    AbstractFunction fun = cl.findFunction(methodName);    if (fun == null)      fun = cl.findFunctionLowerCase(methodName.toLowerCase());    if (fun == null) {      error(L.l("'{0}::{1}' is an unknown method.",                className, methodName));      return null;    }    return fun;  }