83 lines
2.2 KiB
PHP
83 lines
2.2 KiB
PHP
<?php
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class RSSParser {
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/**
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* parse
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* @param int $items number of feeditems to parse from feed
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* @param string $url url of the feed to parse
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* @return string $item feeditems as HTML-string
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*/
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public static function parse($items,$url) {
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if ($items <= 0)
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return '';
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// error
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$error = false;
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// check $url
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if(!preg_match('!^(http|https|ftp)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*$!',$url)) {
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$error = true;
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} else {
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// output
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$html = '<div class="buffer" style="width: 500px;height: 2px;"> </div>'."\n";
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$html .= '<div class="newsblock">';
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// get xml-data
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$data = file_get_contents($url);
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// check data
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if($data === false || strpos($data, 'rss version=') === false) {
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$error = true;
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} else {
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// parse XML
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try {
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// get SimpleXML-object
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$xml = new SimpleXMLElement($data);
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// walk through items
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$i=0;
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foreach($xml->channel->item as $item) {
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// check length
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if($items != 0 && $i >= $items) {
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break;
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} else {
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// add html
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$html .= '<p class="content-title-noshade-size15" style="display: inline;">'."\n";
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$html .= strftime('%e. %B %Y',strtotime($item->pubDate)).' - '. $item->title;
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$html .= '</p> <p style="line-height: 1.6em;display: inline;"> [<b><a class="link" href="'.$item->link.'">mehr...</a></b>]</p>'."\n";
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$html .= '<div class="rsstext">'.$item->description.'</div>'."\n";
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}
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// increment counter
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$i++;
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}
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// finish html
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$html .= "</div>";
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$html .= '<div class="buffer" style="width: 500px;"> </div>'."\n";
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}
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catch(Exception $e) {
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$error = true;
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}
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}
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}
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// return
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if(!$error) {
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return $html;
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} else {
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return '';
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}
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}
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}
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?>
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