Inspekt\Cage::setValue PHP Method

    protected function setValue($key, $val)
    {
        if (strpos($key, self::ISPK_ARRAY_PATH_SEPARATOR) !== false) {
            $key = trim($key, self::ISPK_ARRAY_PATH_SEPARATOR);
            $keys = explode(self::ISPK_ARRAY_PATH_SEPARATOR, $key);
            return $this->setValueRecursive($keys, $val, $this->source);
        } else {
            $this->source[$key] = $val;
            return $this->source[$key];
        }
    }