Xhgui_Profile::_diffPercentKeys PHP Method

    protected function _diffPercentKeys($a, $b, $includeSelf = true)
    {
        $out = array();
        $keys = $this->_keys;
        if ($includeSelf) {
            $keys = array_merge($keys, $this->_exclusiveKeys);
        }
        foreach ($keys as $key) {
            if ($b[$key] != 0) {
                $out[$key] = $a[$key] / $b[$key];
            } else {
                $out[$key] = -1;
            }
        }
        return $out;
    }