function cutText($text, $num = 20)
{
$text = trim(strip_tags($text));
if ($text) {
$arr_text = explode(" ", $text);
$arr_text_new = array();
if (count($arr_text) > $num) {
for ($i=0; $i < $num; $i++) {
$arr_text_new[$i] = $arr_text[$i];
}
$text = implode(" ", $arr_text_new);
}
}
return $text;
}