$res = trim($str); if (!$res) return '';
- if (strpos($res, "href=") === false)
- $res = rewrite_urls($res);
-
$charset_hack = '<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>';
}
- function rewrite_urls($html) {
- libxml_use_internal_errors(true);
-
- $charset_hack = '<head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
- </head>';
-
- $doc = new DOMDocument();
- $doc->loadHTML($charset_hack . $html);
- $xpath = new DOMXPath($doc);
-
- $entries = $xpath->query('//*/text()');
-
- foreach ($entries as $entry) {
- if (strstr($entry->wholeText, "://") !== false) {
- $text = preg_replace("/((?<!=.)((http|https|ftp)+):\/\/[^ ,!]+)/i",
- "<a target=\"_blank\" href=\"\\1\">\\1</a>", $entry->wholeText);
-
- if ($text != $entry->wholeText) {
- $cdoc = new DOMDocument();
- $cdoc->loadHTML($charset_hack . $text);
-
-
- foreach ($cdoc->childNodes as $cnode) {
- $cnode = $doc->importNode($cnode, true);
-
- if ($cnode) {
- $entry->parentNode->insertBefore($cnode);
- }
- }
-
- $entry->parentNode->removeChild($entry);
-
- }
- }
- }
-
- $node = $doc->getElementsByTagName('body')->item(0);
-
- // http://tt-rss.org/forum/viewtopic.php?f=1&t=970
- if ($node)
- return $doc->saveXML($node);
- else
- return $html;
- }
-
function filter_to_sql($filter, $owner_uid) {
$query = array();
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