static function str2metadesc($txt)
{
$txt = str::condenseHtmlChars($txt, ' ');
$txt = str::condenseTags($txt, ' ');
$txt = str_replace(array('"', ' .'), array("'", '.'), $txt);
$txt = trim(str::condenseWhitespace($txt));
if (strlen($txt) > 320) {
$txt = substr($txt, 0, 317) . '...';
}
return $txt;
}
private static function getAttribute($needle, $haystack)
{
$ret = '';
$needle .= '=';
$haystack = str::condenseWhitespace($haystack);
$pos = strpos($haystack, $needle);
if ($pos !== false) {
// get boundary text
$pos += strlen($needle);
$ret = substr($haystack, $pos);
// strip double quotes
if ($ret[0] == '"') {
$ret = substr($ret, 1);
if (($pos = strpos($ret, '"')) !== false) {
$ret = substr($ret, 0, $pos);
}
} else {
if (($pos = strpos($ret, ';')) !== false) {
$ret = substr($ret, 0, $pos);
}
if (($pos = strpos($ret, ' ')) !== false) {
$ret = substr($ret, 0, $pos);
}
}
}
return $ret;
}