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Name	Size	Permission
class-wp-nav-menu-widget.php	5.21 KB	-rw-r--r--
class-wp-widget-archives.php	5.3 KB	-rw-r--r--
class-wp-widget-calendar.php	2.8 KB	-rw-r--r--
class-wp-widget-categories.php	5.81 KB	-rw-r--r--
class-wp-widget-custom-html.ph...	11.55 KB	-rw-r--r--
class-wp-widget-links.php	6.74 KB	-rw-r--r--
class-wp-widget-media-audio.ph...	5.8 KB	-rw-r--r--
class-wp-widget-media-gallery....	6.05 KB	-rw-r--r--
class-wp-widget-media-image.ph...	10.98 KB	-rw-r--r--
class-wp-widget-media-video.ph...	7.96 KB	-rw-r--r--
class-wp-widget-media.php	13.49 KB	-rw-r--r--
class-wp-widget-meta.php	3.51 KB	-rw-r--r--
class-wp-widget-pages.php	4.77 KB	-rw-r--r--
class-wp-widget-recent-comment...	5.69 KB	-rw-r--r--
class-wp-widget-recent-posts.p...	4.86 KB	-rw-r--r--
class-wp-widget-rss.php	3.6 KB	-rw-r--r--
class-wp-widget-search.php	2.55 KB	-rw-r--r--
class-wp-widget-tag-cloud.php	5.54 KB	-rw-r--r--
class-wp-widget-text.php	20.25 KB	-rw-r--r--

Code Editor : class-wp-widget-rss.php

<?php
/**
 * Widget API: WP_Widget_RSS class
 *
 * @package WordPress
 * @subpackage Widgets
 * @since 4.4.0
 */

/**
 * Core class used to implement a RSS widget.
 *
 * @since 2.8.0
 *
 * @see WP_Widget
 */
class WP_Widget_RSS extends WP_Widget {

/**
	 * Sets up a new RSS widget instance.
	 *
	 * @since 2.8.0
	 */
	public function __construct() {
		$widget_ops = array(
			'description' => __( 'Entries from any RSS or Atom feed.' ),
			'customize_selective_refresh' => true,
		);
		$control_ops = array( 'width' => 400, 'height' => 200 );
		parent::__construct( 'rss', __( 'RSS' ), $widget_ops, $control_ops );
	}

/**
	 * Outputs the content for the current RSS widget instance.
	 *
	 * @since 2.8.0
	 *
	 * @param array $args     Display arguments including 'before_title', 'after_title',
	 *                        'before_widget', and 'after_widget'.
	 * @param array $instance Settings for the current RSS widget instance.
	 */
	public function widget( $args, $instance ) {
		if ( isset($instance['error']) && $instance['error'] )
			return;

$url = ! empty( $instance['url'] ) ? $instance['url'] : '';
		while ( stristr($url, 'http') != $url )
			$url = substr($url, 1);

if ( empty($url) )
			return;

// self-url destruction sequence
		if ( in_array( untrailingslashit( $url ), array( site_url(), home_url() ) ) )
			return;

$rss = fetch_feed($url);
		$title = $instance['title'];
		$desc = '';
		$link = '';

if ( ! is_wp_error($rss) ) {
			$desc = esc_attr(strip_tags(@html_entity_decode($rss->get_description(), ENT_QUOTES, get_option('blog_charset'))));
			if ( empty($title) )
				$title = strip_tags( $rss->get_title() );
			$link = strip_tags( $rss->get_permalink() );
			while ( stristr($link, 'http') != $link )
				$link = substr($link, 1);
		}

if ( empty( $title ) ) {
			$title = ! empty( $desc ) ? $desc : __( 'Unknown Feed' );
		}

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

$url = strip_tags( $url );
		$icon = includes_url( 'images/rss.png' );
		if ( $title )
			$title = '<a class="rsswidget" href="' . esc_url( $url ) . '"><img class="rss-widget-icon" style="border:0" width="14" height="14" src="' . esc_url( $icon ) . '" alt="RSS" /></a> <a class="rsswidget" href="' . esc_url( $link ) . '">'. esc_html( $title ) . '</a>';

echo $args['before_widget'];
		if ( $title ) {
			echo $args['before_title'] . $title . $args['after_title'];
		}
		wp_widget_rss_output( $rss, $instance );
		echo $args['after_widget'];

if ( ! is_wp_error($rss) )
			$rss->__destruct();
		unset($rss);
	}

/**
	 * Handles updating settings for the current RSS widget instance.
	 *
	 * @since 2.8.0
	 *
	 * @param array $new_instance New settings for this instance as input by the user via
	 *                            WP_Widget::form().
	 * @param array $old_instance Old settings for this instance.
	 * @return array Updated settings to save.
	 */
	public function update( $new_instance, $old_instance ) {
		$testurl = ( isset( $new_instance['url'] ) && ( !isset( $old_instance['url'] ) || ( $new_instance['url'] != $old_instance['url'] ) ) );
		return wp_widget_rss_process( $new_instance, $testurl );
	}

/**
	 * Outputs the settings form for the RSS widget.
	 *
	 * @since 2.8.0
	 *
	 * @param array $instance Current settings.
	 */
	public function form( $instance ) {
		if ( empty( $instance ) ) {
			$instance = array( 'title' => '', 'url' => '', 'items' => 10, 'error' => false, 'show_summary' => 0, 'show_author' => 0, 'show_date' => 0 );
		}
		$instance['number'] = $this->number;

wp_widget_rss_form( $instance );
	}
}

${this.title}

Code Editor : class-wp-widget-rss.php