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Move widget classes to their own files in wp-includes/widgets:
* `default-widgets.php` now requires all of the individual classes * Move the functions scattered about this file to `widget-functions.php`, which loads before `default-widgets.php`, which only conditionally loads anyway in `wp_maybe_load_widgets()`, which is hooked on `plugins_loaded` See #33413, #23012. git-svn-id: https://develop.svn.wordpress.org/trunk@33843 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Scott Taylor
@@ -1095,3 +1095,265 @@ function retrieve_widgets( $theme_changed = false ) {
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return $sidebars_widgets;
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}
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/**
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* Display the RSS entries in a list.
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*
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* @since 2.5.0
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*
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* @param string|array|object $rss RSS url.
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* @param array $args Widget arguments.
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*/
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function wp_widget_rss_output( $rss, $args = array() ) {
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if ( is_string( $rss ) ) {
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$rss = fetch_feed($rss);
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} elseif ( is_array($rss) && isset($rss['url']) ) {
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$args = $rss;
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$rss = fetch_feed($rss['url']);
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} elseif ( !is_object($rss) ) {
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return;
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}
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if ( is_wp_error($rss) ) {
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if ( is_admin() || current_user_can('manage_options') )
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echo '<p>' . sprintf( __('<strong>RSS Error</strong>: %s'), $rss->get_error_message() ) . '</p>';
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return;
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}
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$default_args = array( 'show_author' => 0, 'show_date' => 0, 'show_summary' => 0, 'items' => 0 );
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$args = wp_parse_args( $args, $default_args );
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$items = (int) $args['items'];
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if ( $items < 1 || 20 < $items )
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$items = 10;
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$show_summary = (int) $args['show_summary'];
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$show_author = (int) $args['show_author'];
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$show_date = (int) $args['show_date'];
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if ( !$rss->get_item_quantity() ) {
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echo '<ul><li>' . __( 'An error has occurred, which probably means the feed is down. Try again later.' ) . '</li></ul>';
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$rss->__destruct();
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unset($rss);
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return;
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}
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echo '<ul>';
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foreach ( $rss->get_items( 0, $items ) as $item ) {
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$link = $item->get_link();
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while ( stristr( $link, 'http' ) != $link ) {
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$link = substr( $link, 1 );
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}
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$link = esc_url( strip_tags( $link ) );
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$title = esc_html( trim( strip_tags( $item->get_title() ) ) );
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if ( empty( $title ) ) {
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$title = __( 'Untitled' );
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}
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$desc = @html_entity_decode( $item->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) );
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$desc = esc_attr( wp_trim_words( $desc, 55, ' […]' ) );
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$summary = '';
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if ( $show_summary ) {
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$summary = $desc;
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// Change existing [...] to […].
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if ( '[...]' == substr( $summary, -5 ) ) {
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$summary = substr( $summary, 0, -5 ) . '[…]';
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}
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$summary = '<div class="rssSummary">' . esc_html( $summary ) . '</div>';
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}
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$date = '';
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if ( $show_date ) {
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$date = $item->get_date( 'U' );
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if ( $date ) {
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$date = ' <span class="rss-date">' . date_i18n( get_option( 'date_format' ), $date ) . '</span>';
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}
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}
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$author = '';
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if ( $show_author ) {
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$author = $item->get_author();
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if ( is_object($author) ) {
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$author = $author->get_name();
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$author = ' <cite>' . esc_html( strip_tags( $author ) ) . '</cite>';
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}
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}
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if ( $link == '' ) {
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echo "<li>$title{$date}{$summary}{$author}</li>";
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} elseif ( $show_summary ) {
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echo "<li><a class='rsswidget' href='$link'>$title</a>{$date}{$summary}{$author}</li>";
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} else {
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echo "<li><a class='rsswidget' href='$link'>$title</a>{$date}{$author}</li>";
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}
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}
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echo '</ul>';
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$rss->__destruct();
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unset($rss);
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}
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/**
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* Display RSS widget options form.
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*
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* The options for what fields are displayed for the RSS form are all booleans
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* and are as follows: 'url', 'title', 'items', 'show_summary', 'show_author',
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* 'show_date'.
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*
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* @since 2.5.0
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*
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* @param array|string $args Values for input fields.
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* @param array $inputs Override default display options.
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*/
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function wp_widget_rss_form( $args, $inputs = null ) {
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$default_inputs = array( 'url' => true, 'title' => true, 'items' => true, 'show_summary' => true, 'show_author' => true, 'show_date' => true );
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$inputs = wp_parse_args( $inputs, $default_inputs );
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$args['title'] = isset( $args['title'] ) ? $args['title'] : '';
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$args['url'] = isset( $args['url'] ) ? $args['url'] : '';
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$args['items'] = isset( $args['items'] ) ? (int) $args['items'] : 0;
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if ( $args['items'] < 1 || 20 < $args['items'] ) {
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$args['items'] = 10;
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}
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$args['show_summary'] = isset( $args['show_summary'] ) ? (int) $args['show_summary'] : (int) $inputs['show_summary'];
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$args['show_author'] = isset( $args['show_author'] ) ? (int) $args['show_author'] : (int) $inputs['show_author'];
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$args['show_date'] = isset( $args['show_date'] ) ? (int) $args['show_date'] : (int) $inputs['show_date'];
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if ( ! empty( $args['error'] ) ) {
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echo '<p class="widget-error"><strong>' . sprintf( __( 'RSS Error: %s' ), $args['error'] ) . '</strong></p>';
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}
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$esc_number = esc_attr( $args['number'] );
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if ( $inputs['url'] ) :
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?>
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<p><label for="rss-url-<?php echo $esc_number; ?>"><?php _e( 'Enter the RSS feed URL here:' ); ?></label>
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<input class="widefat" id="rss-url-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][url]" type="text" value="<?php echo esc_url( $args['url'] ); ?>" /></p>
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<?php endif; if ( $inputs['title'] ) : ?>
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<p><label for="rss-title-<?php echo $esc_number; ?>"><?php _e( 'Give the feed a title (optional):' ); ?></label>
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<input class="widefat" id="rss-title-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][title]" type="text" value="<?php echo esc_attr( $args['title'] ); ?>" /></p>
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<?php endif; if ( $inputs['items'] ) : ?>
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<p><label for="rss-items-<?php echo $esc_number; ?>"><?php _e( 'How many items would you like to display?' ); ?></label>
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<select id="rss-items-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][items]">
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<?php
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for ( $i = 1; $i <= 20; ++$i ) {
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echo "<option value='$i' " . selected( $args['items'], $i, false ) . ">$i</option>";
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}
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?>
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</select></p>
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<?php endif; if ( $inputs['show_summary'] ) : ?>
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<p><input id="rss-show-summary-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_summary]" type="checkbox" value="1" <?php checked( $args['show_summary'] ); ?> />
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<label for="rss-show-summary-<?php echo $esc_number; ?>"><?php _e( 'Display item content?' ); ?></label></p>
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<?php endif; if ( $inputs['show_author'] ) : ?>
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<p><input id="rss-show-author-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_author]" type="checkbox" value="1" <?php checked( $args['show_author'] ); ?> />
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<label for="rss-show-author-<?php echo $esc_number; ?>"><?php _e( 'Display item author if available?' ); ?></label></p>
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<?php endif; if ( $inputs['show_date'] ) : ?>
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<p><input id="rss-show-date-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_date]" type="checkbox" value="1" <?php checked( $args['show_date'] ); ?>/>
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<label for="rss-show-date-<?php echo $esc_number; ?>"><?php _e( 'Display item date?' ); ?></label></p>
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<?php
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endif;
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foreach ( array_keys($default_inputs) as $input ) :
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if ( 'hidden' === $inputs[$input] ) :
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$id = str_replace( '_', '-', $input );
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?>
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<input type="hidden" id="rss-<?php echo esc_attr( $id ); ?>-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][<?php echo esc_attr( $input ); ?>]" value="<?php echo esc_attr( $args[ $input ] ); ?>" />
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<?php
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endif;
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endforeach;
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}
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/**
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* Process RSS feed widget data and optionally retrieve feed items.
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*
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* The feed widget can not have more than 20 items or it will reset back to the
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* default, which is 10.
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*
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* The resulting array has the feed title, feed url, feed link (from channel),
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* feed items, error (if any), and whether to show summary, author, and date.
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* All respectively in the order of the array elements.
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*
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* @since 2.5.0
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*
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* @param array $widget_rss RSS widget feed data. Expects unescaped data.
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* @param bool $check_feed Optional, default is true. Whether to check feed for errors.
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* @return array
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*/
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function wp_widget_rss_process( $widget_rss, $check_feed = true ) {
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$items = (int) $widget_rss['items'];
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if ( $items < 1 || 20 < $items )
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$items = 10;
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$url = esc_url_raw( strip_tags( $widget_rss['url'] ) );
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$title = isset( $widget_rss['title'] ) ? trim( strip_tags( $widget_rss['title'] ) ) : '';
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$show_summary = isset( $widget_rss['show_summary'] ) ? (int) $widget_rss['show_summary'] : 0;
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$show_author = isset( $widget_rss['show_author'] ) ? (int) $widget_rss['show_author'] :0;
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$show_date = isset( $widget_rss['show_date'] ) ? (int) $widget_rss['show_date'] : 0;
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if ( $check_feed ) {
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$rss = fetch_feed($url);
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$error = false;
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$link = '';
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if ( is_wp_error($rss) ) {
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$error = $rss->get_error_message();
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} else {
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$link = esc_url(strip_tags($rss->get_permalink()));
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while ( stristr($link, 'http') != $link )
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$link = substr($link, 1);
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$rss->__destruct();
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unset($rss);
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}
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}
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return compact( 'title', 'url', 'link', 'items', 'error', 'show_summary', 'show_author', 'show_date' );
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}
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/**
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* Register all of the default WordPress widgets on startup.
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*
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* Calls 'widgets_init' action after all of the WordPress widgets have been
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* registered.
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*
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* @since 2.2.0
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*/
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function wp_widgets_init() {
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if ( !is_blog_installed() )
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return;
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register_widget('WP_Widget_Pages');
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register_widget('WP_Widget_Calendar');
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register_widget('WP_Widget_Archives');
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if ( get_option( 'link_manager_enabled' ) )
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register_widget('WP_Widget_Links');
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register_widget('WP_Widget_Meta');
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register_widget('WP_Widget_Search');
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register_widget('WP_Widget_Text');
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register_widget('WP_Widget_Categories');
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register_widget('WP_Widget_Recent_Posts');
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register_widget('WP_Widget_Recent_Comments');
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register_widget('WP_Widget_RSS');
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register_widget('WP_Widget_Tag_Cloud');
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register_widget('WP_Nav_Menu_Widget');
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/**
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* Fires after all default WordPress widgets have been registered.
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*
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* @since 2.2.0
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*/
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do_action( 'widgets_init' );
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}
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