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名称	大小	权限	修改时间
..	-	-	-
archives	[目录]	drwxr-xr-x	2020-12-08 23:26
audio	[目录]	drwxr-xr-x	2020-12-08 23:26
block	[目录]	drwxr-xr-x	2020-12-08 23:26
button	[目录]	drwxr-xr-x	2020-12-08 23:26
buttons	[目录]	drwxr-xr-x	2020-12-08 23:26
calendar	[目录]	drwxr-xr-x	2020-12-08 23:26
categories	[目录]	drwxr-xr-x	2020-12-08 23:26
classic	[目录]	drwxr-xr-x	2020-12-08 23:26
code	[目录]	drwxr-xr-x	2020-12-08 23:26
column	[目录]	drwxr-xr-x	2020-12-08 23:26
columns	[目录]	drwxr-xr-x	2020-12-08 23:26
file	[目录]	drwxr-xr-x	2020-12-08 23:26
gallery	[目录]	drwxr-xr-x	2020-12-08 23:26
group	[目录]	drwxr-xr-x	2020-12-08 23:26
heading	[目录]	drwxr-xr-x	2020-12-08 23:26
html	[目录]	drwxr-xr-x	2020-12-08 23:26
image	[目录]	drwxr-xr-x	2020-12-08 23:26
latest-comments	[目录]	drwxr-xr-x	2020-12-08 23:26
latest-posts	[目录]	drwxr-xr-x	2020-12-08 23:26
list	[目录]	drwxr-xr-x	2020-12-08 23:26
media-text	[目录]	drwxr-xr-x	2020-12-08 23:26
missing	[目录]	drwxr-xr-x	2020-12-08 23:26
more	[目录]	drwxr-xr-x	2020-12-08 23:26
nextpage	[目录]	drwxr-xr-x	2020-12-08 23:26
paragraph	[目录]	drwxr-xr-x	2020-12-08 23:26
preformatted	[目录]	drwxr-xr-x	2020-12-08 23:26
pullquote	[目录]	drwxr-xr-x	2020-12-08 23:26
quote	[目录]	drwxr-xr-x	2020-12-08 23:26
rss	[目录]	drwxr-xr-x	2020-12-08 23:26
search	[目录]	drwxr-xr-x	2020-12-08 23:26
separator	[目录]	drwxr-xr-x	2020-12-08 23:26
shortcode	[目录]	drwxr-xr-x	2020-12-08 23:26
social-link	[目录]	drwxr-xr-x	2020-12-08 23:26
social-links	[目录]	drwxr-xr-x	2020-12-08 23:26
spacer	[目录]	drwxr-xr-x	2020-12-08 23:26
subhead	[目录]	drwxr-xr-x	2020-12-08 23:26
table	[目录]	drwxr-xr-x	2020-12-08 23:26
tag-cloud	[目录]	drwxr-xr-x	2020-12-08 23:26
text-columns	[目录]	drwxr-xr-x	2020-12-08 23:26
verse	[目录]	drwxr-xr-x	2020-12-08 23:26
video	[目录]	drwxr-xr-x	2020-12-08 23:26
archives.php	2.81 KB	-rw-r--r--	2020-12-08 23:26
block.php	937.00 B	-rw-r--r--	2020-12-08 23:26
calendar.php	1.71 KB	-rw-r--r--	2020-12-08 23:26
categories.php	2.52 KB	-rw-r--r--	2020-12-08 23:26
index.php	1.48 KB	-rw-r--r--	2020-12-08 23:26
latest-comments.php	4.98 KB	-rw-r--r--	2020-12-08 23:26
latest-posts.php	6.82 KB	-rw-r--r--	2021-04-16 00:01
rss.php	3.28 KB	-rw-r--r--	2022-10-18 01:06
search.php	2.21 KB	-rw-r--r--	2020-12-08 23:26
shortcode.php	697.00 B	-rw-r--r--	2020-12-08 23:26
social-link.php	53.94 KB	-rw-r--r--	2020-12-08 23:26
tag-cloud.php	1.39 KB	-rw-r--r--	2020-12-08 23:26

代码编辑器 :rss.php

<?php
/**
 * Server-side rendering of the `core/rss` block.
 *
 * @package WordPress
 */

/**
 * Renders the `core/rss` block on server.
 *
 * @param array $attributes The block attributes.
 *
 * @return string Returns the block content with received rss items.
 */
function render_block_core_rss( $attributes ) {
	$rss = fetch_feed( $attributes['feedURL'] );

if ( is_wp_error( $rss ) ) {
		return '<div class="components-placeholder"><div class="notice notice-error"><strong>' . __( 'RSS Error:' ) . '</strong> ' . esc_html( $rss->get_error_message() ) . '</div></div>';
	}

if ( ! $rss->get_item_quantity() ) {
		return '<div class="components-placeholder"><div class="notice notice-error">' . __( 'An error has occurred, which probably means the feed is down. Try again later.' ) . '</div></div>';
	}

$rss_items  = $rss->get_items( 0, $attributes['itemsToShow'] );
	$list_items = '';
	foreach ( $rss_items as $item ) {
		$title = esc_html( trim( strip_tags( $item->get_title() ) ) );
		if ( empty( $title ) ) {
			$title = __( '(no title)' );
		}
		$link = $item->get_link();
		$link = esc_url( $link );
		if ( $link ) {
			$title = "<a href='{$link}'>{$title}</a>";
		}
		$title = "<div class='wp-block-rss__item-title'>{$title}</div>";

$date = '';
		if ( $attributes['displayDate'] ) {
			$date = $item->get_date( 'U' );

if ( $date ) {
				$date = sprintf(
					'<time datetime="%1$s" class="wp-block-rss__item-publish-date">%2$s</time> ',
					esc_attr( date_i18n( get_option( 'c' ), $date ) ),
					esc_attr( date_i18n( get_option( 'date_format' ), $date ) )
				);
			}
		}

$author = '';
		if ( $attributes['displayAuthor'] ) {
			$author = $item->get_author();
			if ( is_object( $author ) ) {
				$author = $author->get_name();
				$author = '<span class="wp-block-rss__item-author">' . sprintf(
					/* translators: %s: the author. */
					__( 'by %s' ),
					esc_html( strip_tags( $author ) )
				) . '</span>';
			}
		}

$excerpt = '';
		if ( $attributes['displayExcerpt'] ) {
			$excerpt = html_entity_decode( $item->get_description(), ENT_QUOTES, get_option( 'blog_charset' ) );
			$excerpt = esc_attr( wp_trim_words( $excerpt, $attributes['excerptLength'], ' [&hellip;]' ) );

// Change existing [...] to [&hellip;].
			if ( '[...]' === substr( $excerpt, -5 ) ) {
				$excerpt = substr( $excerpt, 0, -5 ) . '[&hellip;]';
			}

$excerpt = '<div class="wp-block-rss__item-excerpt">' . esc_html( $excerpt ) . '</div>';
		}

$list_items .= "<li class='wp-block-rss__item'>{$title}{$date}{$author}{$excerpt}</li>";
	}

$class = 'wp-block-rss';
	if ( isset( $attributes['align'] ) ) {
		$class .= ' align' . $attributes['align'];
	}

if ( isset( $attributes['blockLayout'] ) && 'grid' === $attributes['blockLayout'] ) {
		$class .= ' is-grid';
	}

if ( isset( $attributes['columns'] ) && 'grid' === $attributes['blockLayout'] ) {
		$class .= ' columns-' . $attributes['columns'];
	}

if ( isset( $attributes['className'] ) ) {
		$class .= ' ' . $attributes['className'];
	}

return sprintf( '<ul class="%s">%s</ul>', esc_attr( $class ), $list_items );
}

/**
 * Registers the `core/rss` block on server.
 */
function register_block_core_rss() {
	register_block_type_from_metadata(
		__DIR__ . '/rss',
		array(
			'render_callback' => 'render_block_core_rss',
		)
	);
}
add_action( 'init', 'register_block_core_rss' );