Limiter Nbr Lettre

$chaine = $data['ContenuNews'];
 
// le nombre de lettres                   
$max = 65; 
 
                        if (strlen($chaine) >= $max) { 
                         $chaine = substr($chaine, 0, $max); 
                         $espace = strrpos($chaine, " "); 
                         $chaine = substr($chaine, 0, $espace)."..."; 
                        } 
 
                        echo stripslashes($chaine);