Social\Plugin\AddThisWidget::__invoke PHP Метод

    public function __invoke($identifier, $title = '', $url = '')
    {
        if (!is_array($this->config['widgets'])) {
            return;
        }
        foreach ($this->config['widgets'] as $widget) {
            if ($identifier == $widget['identifier']) {
                $data = $widget;
                break;
            }
        }
        if (empty($data)) {
            return;
        }
        $styles = $this->addthis->getDefaultStyles();
        $document = $this->getServiceLocator()->get('CurrentDocument');
        if (!empty($document)) {
            if (empty($url)) {
                $url = $document->getUrl(true);
            }
            if (empty($title)) {
                $title = $document->getName();
            }
        }
        $options = array();
        $addthisIdentifier = 'addthis:url="' . $url . '" ';
        $addthisIdentifier .= 'addthis:title="' . $title . '"';
        if ($data['settings'] == 'custom_string') {
            $buttons = preg_replace('/<\\s*div\\s*/', '<div %1$s ', $data['custom_string']);
        } elseif (isset($styles[$data['settings']])) {
            if (!empty($data['chosen_list'])) {
                if ($data['settings'] == 'large_toolbox') {
                    $options['size'] = '32';
                } elseif ($data['settings'] == 'small_toolbox') {
                    $options['size'] = '16';
                }
                $options['type'] = $data['settings'];
                $options['services'] = $data['chosen_list'];
                $buttons = $this->customToolbox($options, $addthisIdentifier);
            } else {
                $buttons = $styles[$data['settings']]['src'];
            }
        } else {
            return;
        }
        $content = sprintf($buttons, $addthisIdentifier);
        $content .= $this->getConfig();
        return $content;
    }