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<?php function truncate($text, $chars = 25) { if (strlen($text) <= $chars) { return $text; } $text = $text." "; $text = substr($text,0,$chars); $text = substr($text,0,strrpos($text,' ')); $text = $text."..."; return $text; } function session_set() { if(isset($_SESSION['user_id']) && $_SESSION['user_id'] != "") { return true; } } ?>