yii\web\ErrorHandler::addTypeLinks PHP Method

    public function addTypeLinks($code)
    {
        if (preg_match('/(.*?)::([^(]+)/', $code, $matches)) {
            $class = $matches[1];
            $method = $matches[2];
            $text = $this->htmlEncode($class) . '::' . $this->htmlEncode($method);
        } else {
            $class = $code;
            $method = null;
            $text = $this->htmlEncode($class);
        }
        $url = null;
        $shouldGenerateLink = true;
        if ($method !== null) {
            $reflection = new \ReflectionMethod($class, $method);
            $shouldGenerateLink = $reflection->isPublic() || $reflection->isProtected();
        }
        if ($shouldGenerateLink) {
            $url = $this->getTypeUrl($class, $method);
        }
        if ($url === null) {
            return $text;
        }
        return '<a href="' . $url . '" target="_blank">' . $text . '</a>';
    }