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<?php |
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declare(strict_types=1); |
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namespace XoopsModules\Rssfit; |
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/* |
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Utility Class Definition |
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You may not change or alter any portion of this comment or credits of |
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supporting developers from this source code or any supporting source code |
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which is considered copyrighted (c) material of the original comment or credit |
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authors. |
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This program is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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*/ |
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/** |
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* Module: xSitemap |
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* |
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* @package \module\xsitemap\class |
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* @license http://www.fsf.org/copyleft/gpl.html GNU public license |
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* @copyright https://xoops.org 2001-2017 © XOOPS Project |
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* @author ZySpec <[email protected]> |
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* @author Mamba <[email protected]> |
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* @since File available since version 1.54 |
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*/ |
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//require_once \dirname(__DIR__) . '/include/common.php'; |
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use XoopsModules\Rssfit\Constants; |
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/** |
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* Class Utility |
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*/ |
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class Utility extends Common\SysUtility |
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{ |
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//--------------- Custom module methods ----------------------------- |
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public static function sortTimestamp(array $a, array $b): int |
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{ |
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if ($a['timestamp'] == $b['timestamp']) { |
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return 0; |
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} |
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return ($a['timestamp'] > $b['timestamp']) ? -1 : 1; |
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} |
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public static function genSpecMoreInfo(string $spec, FeedHandler $feedHandler): string |
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{ |
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return static::rssfGenAnchor($feedHandler->specUrl($spec), \_AM_RSSFIT_EDIT_CHANNEL_QMARK, 'spec', \_AM_RSSFIT_EDIT_CHANNEL_MOREINFO); |
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} |
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public static function rssfGenAnchor(?string $url = null, string $text = '', string $target = '', string $title = '', string $class = '', string $id = ''): string |
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{ |
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if (null !== $url) { |
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$ret = '<a href="' . $url . '"'; |
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$ret .= !empty($target) ? ' target="' . $target . '"' : ''; |
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$ret .= !empty($class) ? ' class="' . $class . '"' : ''; |
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$ret .= !empty($id) ? ' id="' . $id . '"' : ''; |
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$ret .= !empty($title) ? ' title="' . $title . '"' : ''; |
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$ret .= '>' . $text . '</a>'; |
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return $ret; |
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} |
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return $text; |
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} |
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// Check http://www.systutorials.com/136102/a-php-function-for-fetching-rss-feed-and-outputing-feed-items-as-html/ for description |
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// RSS to HTML |
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/* |
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$tiem_cnt: max number of feed items to be displayed |
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$max_words: max number of words (not real words, HTML words) |
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if <= 0: no limitation, if > 0 display at most $max_words words |
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*/ |
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public static function getRssFeedAsHtml(string $feed_url, int $maxItemCount = 10, bool $show_date = true, bool $show_description = true, int $max_words = 0, int $cache_timeout = 7200, string $cache_prefix = XOOPS_VAR_PATH . '/caches/xoops_cache/rss2html-'): string |
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{ |
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$result = ''; |
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// get feeds and parse items |
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$rss = new \DOMDocument(); |
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$cacheFile = $cache_prefix . \md5($feed_url); |
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// load from file or load content |
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if ($cache_timeout > 0 |
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&& \is_file($cacheFile) |
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&& (\filemtime($cacheFile) + $cache_timeout > \time())) { |
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$rss->load($cacheFile); |
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} else { |
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$rss->load($feed_url); |
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/* |
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// if load() doesn't work, you might try this |
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$ch = curl_init($feed_url); |
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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$content = curl_exec($ch); |
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curl_close($ch); |
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$rss->loadXML($content); |
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*/ |
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if ($cache_timeout > 0) { |
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$rss->save($cacheFile); |
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} |
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} |
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$feed = []; |
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foreach ($rss->getElementsByTagName('item') as $node) { |
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if (null !== $node) { |
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$item = [ |
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'title' => $node->getElementsByTagName('title')->item(0)->nodeValue, |
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'desc' => $node->getElementsByTagName('description')->item(0)->nodeValue, |
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'content' => $node->getElementsByTagName('description')->item(0)->nodeValue, |
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'link' => $node->getElementsByTagName('link')->item(0)->nodeValue, |
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'date' => $node->getElementsByTagName('pubDate')->item(0)->nodeValue, |
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]; |
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$content = $node->getElementsByTagName('encoded'); // <content:encoded> |
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if ($content->length > 0) { |
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$item['content'] = $content->item(0)->nodeValue; |
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} |
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$feed[] = $item; |
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} |
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} |
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// real good count |
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if ($maxItemCount > \count($feed)) { |
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$maxItemCount = \count($feed); |
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} |
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$result .= '<ul class="feed-lists">'; |
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for ($x = 0; $x < $maxItemCount; $x++) { |
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$title = \str_replace(' & ', ' & ', $feed[$x]['title']); |
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$link = $feed[$x]['link']; |
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$result .= '<li class="feed-item">'; |
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$result .= '<div class="feed-title"><strong><a href="' . $link . '" title="' . $title . '">' . $title . '</a></strong></div>'; |
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if ($show_date) { |
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$date = \date('l F d, Y', (int)\strtotime($feed[$x]['date'])); |
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$result .= '<small class="feed-date"><em>Posted on ' . $date . '</em></small>'; |
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} |
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if ($show_description) { |
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$description = $feed[$x]['desc']; |
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$content = $feed[$x]['content']; |
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// find the img |
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$hasImage = \preg_match('/<img.+src=[\'"](?P<src>.+?)[\'"].*>/i', $content, $image); |
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// no html tags |
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$description = \strip_tags((string)\preg_replace('/(<(script|style)\b[^>]*>).*?(<\/\2>)/s', '$1$3', $description), ''); |
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// whether cut by number of words |
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if ($max_words > 0) { |
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$arr = \explode(' ', $description); |
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if ($max_words < \count($arr)) { |
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$description = ''; |
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$wordsCount = 0; |
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foreach ($arr as $w) { |
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$description .= $w . ' '; |
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++$wordsCount; |
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if ($wordsCount == $max_words) { |
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break; |
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} |
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} |
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$description .= ' ...'; |
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} |
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} |
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// add img if it exists |
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if (1 == $hasImage) { |
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$description = '<img class="feed-item-image" src="' . $image['src'] . '" />' . $description; |
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} |
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$result .= '<div class="feed-description">' . $description; |
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$result .= ' <a href="' . $link . '" title="' . $title . '">Continue Reading »</a>' . '</div>'; |
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} |
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$result .= '</li>'; |
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} |
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$result .= '</ul>'; |
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return $result; |
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} |
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public static function outputRssFeed(string $feed_url, int $maxItemCount = 10, bool $show_date = true, bool $show_description = true, int $max_words = 0): void |
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{ |
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echo self::getRssFeedAsHtml($feed_url, $maxItemCount, $show_date, $show_description, $max_words); |
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} |
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} |
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XoopsModules25x /
rssfit
