class Valami
{
    // ....
 
    public function list_messages()
    {
        if (isset($_GET['i'])) {
            $messages = self::find_messages_by_sender_id($_GET['i']);
 
            foreach ($messages as $message) {
                if (strlen($message->body) > 140) {
                    $dots = "...";
                } else {
                    $dots = "";
                }
                $preview   = substr($message->body, 0, 140);
                $datetime  = strtotime($message->dateofcreation);
                $mysqldate = date("F j, G:i ", $datetime);
                echo "<div class=\"message_full roundDiv\"><div class=\"message_sum_name wordwrap\"><a href=\"profile.php?user=$message->sender_username&id=$message->sender_id\">$message->sender_username</a></div><div class=\"message_sum_preview\">$preview<a href=\"messages.php?m=$message->id&i=$message->sender_id\">$dots</a></div><div class=\"message_sum_date\"><a href=\"messages.php?i=$message->sender_id&m=$message->id\">Reply</a> $mysqldate</div></div>";
 
            }
        } else {
            $messages                  = self::find_messages_by_users_id($_SESSION['user_id']);
            $previous_message_username = "";
            $names_so_far              = array();
            $senders                   = array();
 
            foreach ($messages as $message) {
                if (array_key_exists($message->sender_username, $senders)) {
                    $senders[$message->sender_username]++;
 
                } else {
                    $senders[$message->sender_username] = 1;
                }
            }
 
            foreach ($messages as $message) {
                $message_username = $message->sender_username;
 
                if ($previous_message_username !== $message_username AND !array_key_exists($message->sender_username, $names_so_far)) {
                    $previous_message_username               = $message->sender_username;
                    $names_so_far[$message->sender_username] = 0;
                    unset($message_username);
                    $message_count = $senders[$message->sender_username];
 
                    if (strlen($message->body) > 140) {
                        $dots = "...";
                    } else {
                        $dots = "";
                    }
 
                    $preview   = substr($message->body, 0, 140);
                    $datetime  = strtotime($message->dateofcreation);
                    $mysqldate = date("F j, G:i ", $datetime);
 
                    echo "<div class=\"message_full roundDiv\"><div class=\"message_sum_name wordwrap\"><a href=\"messages.php?i=$message->sender_id\">$message->sender_username($message_count messages)</a></div><div class=\"message_sum_preview\">$preview<a href=\"messages.php?m=$message->id\">$dots</a></div><div class=\"message_sum_date\"><a href=\"messages.php?m=$message->id\">Reply</a> $mysqldate</div></div>";
 
                }
            }
        }
    }
 
    // ....    
}

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