public static function shortcodeHandler($attributes, $content = '')
{
// clean up attribute to shortcode option mappings before passing to filter
// apply the same filter as shortcode_atts
/** This filter is documented in wp-includes/shortcodes.php */
$options = apply_filters('shortcode_atts_' . self::SHORTCODE_TAG, array_merge(static::$SHORTCODE_DEFAULTS, static::sanitizeShortcodeParameters((array) $attributes)), static::$SHORTCODE_DEFAULTS, $attributes);
$screen_name = '';
if (isset($options['screen_name'])) {
$screen_name = $options['screen_name'];
unset($options['screen_name']);
}
if (!$screen_name) {
$screen_name = static::getScreenName();
// follow target required
if (!$screen_name) {
return '';
}
}
// update the options array with the Follow screen name
$options['screen_name'] = $screen_name;
$follow = \Twitter\Widgets\Buttons\Follow::fromArray($options);
if (!$follow) {
return '';
}
$html = $follow->toHTML(_x('Follow %s', 'Follow a Twitter user', 'twitter'), '\\Twitter\\WordPress\\Helpers\\HTMLBuilder');
if (!$html) {
return '';
}
$html = '<div class="twitter-follow">' . $html . '</div>';
$inline_js = \Twitter\WordPress\JavaScriptLoaders\Widgets::enqueue();
if ($inline_js) {
return $html . $inline_js;
}
return $html;
}
/** * Front-end display of widget * * @since 1.0.0 * * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget. * @param array $instance The settings for the particular instance of the widget * * @return void */ public function widget($args, $instance) { $follow_button_html = \Twitter\WordPress\Shortcodes\Follow::shortcodeHandler($instance); if (!$follow_button_html) { return; } echo $args['before_widget']; /** This filter is documented in wp-includes/default-widgets.php */ $title = apply_filters('widget_title', empty($instance['title']) ? '' : $instance['title'], $instance, $this->id_base); if ($title) { echo $args['before_title'] . $title . $args['after_title']; } // escaped in markup builder // @codingStandardsIgnoreStart WordPress.XSS.EscapeOutput echo $follow_button_html; // @codingStandardsIgnoreEnd WordPress.XSS.EscapeOutput echo $args['after_widget']; }