Question

wp_rss( string $url,  int $num_items = -1 )

Display all RSS items in a HTML ordered list.

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description

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参数

$url

(string) (Required) URL of feed to display. Will not auto sense feed URL.

$num_items

(int) (Optional) Number of items to display, default is all.

Default value: -1

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源代码

File: wp-includes/rss.php

function wp_rss( $url, $num_items = -1 ) {
	if ( $rss = fetch_rss( $url ) ) {
		echo '<ul>';

		if ( $num_items !== -1 ) {
			$rss->items = array_slice( $rss->items, 0, $num_items );
		}

		foreach ( (array) $rss->items as $item ) {
			printf(
				'<li><a href="%1$s" title="%2$s">%3$s</a></li>',
				esc_url( $item['link'] ),
				esc_attr( strip_tags( $item['description'] ) ),
				esc_html( $item['title'] )
			);
		}

		echo '</ul>';
	} else {
		_e( 'An error has occurred, which probably means the feed is down. Try again later.' );
	}
}

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更新日志

Version	description
1.5.0	Introduced.

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相关函数

Uses

• wp-includes/l10n.php: _e()
• wp-includes/formatting.php: esc_url()
• wp-includes/formatting.php: esc_attr()
• wp-includes/formatting.php: esc_html()
• wp-includes/rss.php: fetch_rss()

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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Drew Jaynes

   
   wp_rss( 'http://example.com/rss/feed/goes/here', 5 );