$r = $callable;
} elseif (false !== $i = strpos($callable, '::')) {
$r = array(substr($callable, 0, $i), substr($callable, 2 + $i));
$r = $callable;
} elseif (false !== $i = strpos($callable, '::')) {
$r = array(substr($callable, 0, $i), substr($callable, 2 + $i));