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WP_Widget_Text::widget() WP 2.8.0

Outputs the content for the current Text widget instance.

Это метод класса: WP_Widget_Text

Хуки из метода
Возвращает

Null. Ничего.

Использование

$WP_Widget_Text = new WP_Widget_Text();
$var = $WP_Widget_Text->widget( $args, $instance );
$args(массив) (обязательный)
Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.
$instance(массив) (обязательный)
Settings for the current Text widget instance.

Заметки

  • Global. WP_Post. $post

Список изменений

С версии 2.8.0 Введена.

Код WP Widget Text::widget: wp-includes/widgets/class-wp-widget-text.php WP 5.2.3

<?php
public function widget( $args, $instance ) {
	global $post;

	$title = ! empty( $instance['title'] ) ? $instance['title'] : '';

	/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
	$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );

	$text                  = ! empty( $instance['text'] ) ? $instance['text'] : '';
	$is_visual_text_widget = ( ! empty( $instance['visual'] ) && ! empty( $instance['filter'] ) );

	// In 4.8.0 only, visual Text widgets get filter=content, without visual prop; upgrade instance props just-in-time.
	if ( ! $is_visual_text_widget ) {
		$is_visual_text_widget = ( isset( $instance['filter'] ) && 'content' === $instance['filter'] );
	}
	if ( $is_visual_text_widget ) {
		$instance['filter'] = true;
		$instance['visual'] = true;
	}

	/*
	 * Suspend legacy plugin-supplied do_shortcode() for 'widget_text' filter for the visual Text widget to prevent
	 * shortcodes being processed twice. Now do_shortcode() is added to the 'widget_text_content' filter in core itself
	 * and it applies after wpautop() to prevent corrupting HTML output added by the shortcode. When do_shortcode() is
	 * added to 'widget_text_content' then do_shortcode() will be manually called when in legacy mode as well.
	 */
	$widget_text_do_shortcode_priority       = has_filter( 'widget_text', 'do_shortcode' );
	$should_suspend_legacy_shortcode_support = ( $is_visual_text_widget && false !== $widget_text_do_shortcode_priority );
	if ( $should_suspend_legacy_shortcode_support ) {
		remove_filter( 'widget_text', 'do_shortcode', $widget_text_do_shortcode_priority );
	}

	// Override global $post so filters (and shortcodes) apply in a consistent context.
	$original_post = $post;
	if ( is_singular() ) {
		// Make sure post is always the queried object on singular queries (not from another sub-query that failed to clean up the global $post).
		$post = get_queried_object();
	} else {
		// Nullify the $post global during widget rendering to prevent shortcodes from running with the unexpected context on archive queries.
		$post = null;
	}

	// Prevent dumping out all attachments from the media library.
	add_filter( 'shortcode_atts_gallery', array( $this, '_filter_gallery_shortcode_attrs' ) );

	/**
	 * Filters the content of the Text widget.
	 *
	 * @since 2.3.0
	 * @since 4.4.0 Added the `$this` parameter.
	 * @since 4.8.1 The `$this` param may now be a `WP_Widget_Custom_HTML` object in addition to a `WP_Widget_Text` object.
	 *
	 * @param string                               $text     The widget content.
	 * @param array                                $instance Array of settings for the current widget.
	 * @param WP_Widget_Text|WP_Widget_Custom_HTML $this     Current Text widget instance.
	 */
	$text = apply_filters( 'widget_text', $text, $instance, $this );

	if ( $is_visual_text_widget ) {

		/**
		 * Filters the content of the Text widget to apply changes expected from the visual (TinyMCE) editor.
		 *
		 * By default a subset of the_content filters are applied, including wpautop and wptexturize.
		 *
		 * @since 4.8.0
		 *
		 * @param string         $text     The widget content.
		 * @param array          $instance Array of settings for the current widget.
		 * @param WP_Widget_Text $this     Current Text widget instance.
		 */
		$text = apply_filters( 'widget_text_content', $text, $instance, $this );
	} else {
		// Now in legacy mode, add paragraphs and line breaks when checkbox is checked.
		if ( ! empty( $instance['filter'] ) ) {
			$text = wpautop( $text );
		}

		/*
		 * Manually do shortcodes on the content when the core-added filter is present. It is added by default
		 * in core by adding do_shortcode() to the 'widget_text_content' filter to apply after wpautop().
		 * Since the legacy Text widget runs wpautop() after 'widget_text' filters are applied, the widget in
		 * legacy mode here manually applies do_shortcode() on the content unless the default
		 * core filter for 'widget_text_content' has been removed, or if do_shortcode() has already
		 * been applied via a plugin adding do_shortcode() to 'widget_text' filters.
		 */
		if ( has_filter( 'widget_text_content', 'do_shortcode' ) && ! $widget_text_do_shortcode_priority ) {
			if ( ! empty( $instance['filter'] ) ) {
				$text = shortcode_unautop( $text );
			}
			$text = do_shortcode( $text );
		}
	}

	// Restore post global.
	$post = $original_post;
	remove_filter( 'shortcode_atts_gallery', array( $this, '_filter_gallery_shortcode_attrs' ) );

	// Undo suspension of legacy plugin-supplied shortcode handling.
	if ( $should_suspend_legacy_shortcode_support ) {
		add_filter( 'widget_text', 'do_shortcode', $widget_text_do_shortcode_priority );
	}

	echo $args['before_widget'];
	if ( ! empty( $title ) ) {
		echo $args['before_title'] . $title . $args['after_title'];
	}

	$text = preg_replace_callback( '#<(video|iframe|object|embed)\s[^>]*>#i', array( $this, 'inject_video_max_width_style' ), $text );

	// Adds noreferrer and noopener relationships, without duplicating values, to all HTML A elements that have a target.
	$text = wp_targeted_link_rel( $text );

	?>
		<div class="textwidget"><?php echo $text; ?></div>
	<?php
	echo $args['after_widget'];
}