function common_shorten_link($url, $reverse = false)
{
+
static $url_cache = array();
if ($reverse) return isset($url_cache[$url]) ? $url_cache[$url] : $url;
$user = common_current_user();
-
+ if (!isset($user)) {
+ // common current user does not find a user when called from the XMPP daemon
+ // therefore we'll set one here fix, so that XMPP given URLs may be shortened
+ $user->urlshorteningservice = 'ur1.ca';
+ }
$curlh = curl_init();
curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 20); // # seconds to wait
curl_setopt($curlh, CURLOPT_USERAGENT, 'Laconica');
function common_xml_safe_str($str)
{
- $xmlStr = htmlentities(iconv('UTF-8', 'UTF-8//IGNORE', $str), ENT_NOQUOTES, 'UTF-8');
-
- // Replace control, formatting, and surrogate characters with '*', ala Twitter
- return preg_replace('/[\p{Cc}\p{Cf}\p{Cs}]/u', '*', $str);
+ // Neutralize control codes and surrogates
+ return preg_replace('/[\p{Cc}\p{Cs}]/u', '*', $str);
}
function common_tag_link($tag)
// XXX: better compatibility check needed here!
return ($from == $to);
}
+
+/**
+ * returns a quoted table name, if required according to config
+ */
+function common_database_tablename($tablename)
+{
+
+ if(common_config('db','quote_identifiers')) {
+ $tablename = '"'. $tablename .'"';
+ }
+ //table prefixes could be added here later
+ return $tablename;
+}