Question

wp_widget_rss_process( array $widget_rss,  bool $check_feed = true )

Process RSS feed widget data and optionally retrieve feed items.

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description

The feed widget can not have more than 20 items or it will reset back to the default, which is 10.

The resulting array has the feed title, feed url, feed link (from channel), feed items, error (if any), and whether to show summary, author, and date. All respectively in the order of the array elements.

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参数

$widget_rss

(array) (Required) RSS widget feed data. Expects unescaped data.

$check_feed

(bool) (Optional) Whether to check feed for errors.

Default value: true

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返回值

(array)

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源代码

File: wp-includes/widgets.php

function wp_widget_rss_process( $widget_rss, $check_feed = true ) {
	$items = (int) $widget_rss['items'];
	if ( $items < 1 || 20 < $items )
		$items = 10;
	$url           = esc_url_raw( strip_tags( $widget_rss['url'] ) );
	$title         = isset( $widget_rss['title'] ) ? trim( strip_tags( $widget_rss['title'] ) ) : '';
	$show_summary  = isset( $widget_rss['show_summary'] ) ? (int) $widget_rss['show_summary'] : 0;
	$show_author   = isset( $widget_rss['show_author'] ) ? (int) $widget_rss['show_author'] :0;
	$show_date     = isset( $widget_rss['show_date'] ) ? (int) $widget_rss['show_date'] : 0;

	if ( $check_feed ) {
		$rss = fetch_feed($url);
		$error = false;
		$link = '';
		if ( is_wp_error($rss) ) {
			$error = $rss->get_error_message();
		} else {
			$link = esc_url(strip_tags($rss->get_permalink()));
			while ( stristr($link, 'http') != $link )
				$link = substr($link, 1);

			$rss->__destruct();
			unset($rss);
		}
	}

	return compact( 'title', 'url', 'link', 'items', 'error', 'show_summary', 'show_author', 'show_date' );
}

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更新日志

Version	description
2.5.0	Introduced.

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相关函数

Uses

• wp-includes/formatting.php: esc_url_raw()
• wp-includes/formatting.php: esc_url()
• wp-includes/feed.php: fetch_feed()
• wp-includes/load.php: is_wp_error()

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Used By

• wp-admin/includes/dashboard.php: wp_dashboard_rss_control()
• wp-includes/widgets/class-wp-widget-rss.php: WP_Widget_RSS::update()

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User Contributed Notes