kb-press.php

<?php

/**
 * Output HTML markup for forum post list.
 *
 * @since  1.0.0
 *
 * @param  integer $post_count Post count.
 */
function skbp_output_forum_posts_list( $post_count = 5 ) {
	echo skbp_get_forum_posts_list( $post_count );
}

/**
 * Generate HTML markup for forum post list.
 *
 * @since  1.0.0
 *
 * @param  integer $post_count Post count.
 * @return string         HTML Markup.
 */
function skbp_get_forum_posts_list( $post_count = 5 ) {
	$xml = simplexml_load_string( skbp_get_forum_posts_xml() );
	
	$output = '';
	$output .= '<h3>' . __( 'Recent Forum Threads', 'skbp' ) . '</h3>';
	$output .= '<ul>';
	for ( $i = 0; $i < absint( $post_count ); $i++ ) {
		$output .= '<li>' . skbp_get_forum_post_link( $xml->channel->item[ $i ] ) . '</li>';
	}
	$output .= '</ul>';
	return $output;
}

/**
 * Retrieve recent forum post XML data.
 *
 * @since  1.0.0
 *
 * @return string XML data.
 */
function skbp_get_forum_posts_xml() {

	$forum_feed_xml = get_transient( 'skbp_get_forum_posts_xml' );
	
	if ( false === $forum_feed_xml ) {
		$get_sat_posts = wp_remote_get( 'https://helpforum.covenanteyes.com/covenanteyes/topics.rss?sort=created_at' );
		$forum_feed_xml = wp_remote_retrieve_body( $get_sat_posts );
		set_transient( 'skbp_get_forum_posts_xml', $forum_feed_xml, 2 * DAY_IN_SECONDS );
	}

	return maybe_unserialize( $forum_feed_xml );
}

/**
 * Generate HTML markup for a single forum post link.
 *
 * @since  1.0.0
 *
 * @param  object $item XML item object.
 * @return string       HTML Markup.
 */
function skbp_get_forum_post_link( $item = null ) {
	return is_object( $item )
		? sprintf(
			'<a href="%1$s">%2$s</a>',
			$item->link,
			$item->title
			)
		: '';
}