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class-wp-nav-menu-widget.php
class-wp-widget-archives.php
class-wp-widget-calendar.php
class-wp-widget-categories.php
class-wp-widget-custom-html.php
class-wp-widget-links.php
class-wp-widget-media-audio.php
class-wp-widget-media-gallery.php
class-wp-widget-media-image.php
class-wp-widget-media-video.php
class-wp-widget-media.php
class-wp-widget-meta.php
class-wp-widget-pages.php
class-wp-widget-recent-comments.php
class-wp-widget-recent-posts.php
class-wp-widget-rss.php
class-wp-widget-search.php
class-wp-widget-tag-cloud.php
class-wp-widget-text.php
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Edit File: 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 ); } }
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