WP_Widget_Text::widget( array $args, array $instance )

Source

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( $this, '_filter_gallery_shortcode_attrs' ) );	/** * Filters the content of the Text widget. * * @since 2.3.0 * @since 4.4.0 Added the `$widget` parameter. * @since 4.8.1 The `$widget` 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 $widget Current text or HTML 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 $widget 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 );	?>	<div class="textwidget"><?php echo $text; ?></div>	<?php	echo $args['after_widget']; } 

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