stox

// Make plain text URIs in text into clickable hyperlinks
	function autolinks($text) {
		global $prefs;
		//	check to see if autolinks is enabled before calling this function
		//		if ($prefs['feature_autolinks'] == "y") {
		$attrib = '';
		if ($prefs['popupLinks'] == 'y')
			$attrib .= 'target="_blank" ';
			$attrib .= 'rel="nofollow" ';
		if ($prefs['feature_wiki_ext_icon'] == 'y') {
			$attrib .= 'class="wiki external" ';
			$attrib .= 'rel="nofollow" ';
			$ext_icon = "<img border=\"0\" class=\"externallink\" src=\"img/icons/external_link.gif\" alt=\" (external link)\" />";
		} else {
			$attrib .= 'class="wiki" ';
			$ext_icon = "";
		}




// *****
		// This section handles external links of the form [url] and such.
		// *****

		$links = $this->get_links($data);
		$notcachedlinks = $this->get_links_nocache($data);
		$cachedlinks = array_diff($links, $notcachedlinks);
		$this->cache_links($cachedlinks);

		// Note that there're links that are replaced
		foreach ($links as $link) {
			$target = '';
			$class = 'class="wiki"';
			$ext_icon = '';
			$rel='';

			if ($prefs['popupLinks'] == 'y') {
				$target = 'target="_blank"';
				$rel='nofollow';
			}

			if (!isset($_SERVER['SERVER_NAME']) && isset($_SERVER['HTTP_HOST'])) {
				$_SERVER['SERVER_NAME'] = $_SERVER['HTTP_HOST'];
			}
			if (empty($_SERVER['SERVER_NAME']) || strstr($link, $_SERVER["SERVER_NAME"]) || !strstr($link, '://')) {
				$target = '';
		} else {
			$class = 'class="wiki external"';
			$rel='nofollow';
			if ($prefs['feature_wiki_ext_icon'] == 'y') {
				$ext_icon = "<img border=\"0\" class=\"externallink\" src=\"img/icons	/external_link.gif\" alt=\" (external link)\" />";
			}
			$rel='external nofollow';
		}