gastenboek-class

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  1. gastenboek-class

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|| class.guestbook.php ||

Code (php)
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<?
/*********************************************************
* Software: Guestbook                                                                   *
* Version:  0.1                                                                              *
* Date:     2005-07-26                                                                   *
* Author:   Jeroen Vercoulen                                                          *
* License:  Freeware                                     *
* PHP:        4.3.4                                         *
*                                                                                                 *
* You may use and modify this software as you wish.                       *
**********************************************************/

class guestbook
{
    var $fd;
    var $content;
    var $post;

    function open_guestbook($filename , $type)
    {
        $this->fd = fopen($filename , $type , 1);
    }

    function fill_array()
    {
        if ($this->fd)
        {
            while (!feof($this->fd))
            {
                $this->content[] = fgets($this->fd, 4096);
            }
        }
    }

    function sort_content()
    {
        rsort($this->content);
    }

    function view_guestbook()
    {
        $h="<table>";
        for ( $i = 0 ; $i < sizeof($this->content) ; $i++ )
        {
            $message = explode (" || " , $this->content[$i]);
            $h.="<tr><td>";
            $h.="<table>";
            $h.="<tr><td>";
            $h.="On ".date("d-m-Y H:i:s", $message[0])." <a href='mailto:".$message[2]."'>".$message[1]."</a> posted:";
            $h.="</td></tr>";
            $h.= "<tr><td>";
            $h.=$message[4];
            $h.="</td></tr>";
            $h.="</table>";
            $h.="</td></tr>";
        }
        $h.="</table>";
        return $h;
    }

    function check_message($message)
    {
        if (stristr($message," || "))
        {
            return false;
        }
        else
        {
            return true;
        }

    }

    function post_message($name, $email, $message)
    {
        $date = mktime();
        $ip = $_SERVER['REMOTE_ADDR'];
        $this->post = "\n".$date ." || ". $name ." || ". $email ." || ". $ip ." || ". $message."";
        $fwritten = fwrite($this->fd, $this->post);
    }

    function close_guestbook()
    {
        fclose($this->fd);
    }
}
?>


|| index.php ||

Code (php)
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<?

include('./class.guestbook.php');

$guestbook= new guestbook;
$guestbook->open_guestbook("guestbook.txt" , "r+");
$guestbook->fill_array();
$guestbook->sort_content();

if (isset($post_messages))
{
    if ((isset($message)) && ($guestbook->check_message($message)))
    {
        $guestbook->post_message($name, $email, $message);
                header("location: destination_url.php");
    }
    else
    {
        $h.="<form name=post action=".$_SERVER['PHP_SELF']." method=post>";
        $h.="<table>";
        if ((isset($message)) && (!$guestbook->check_message($message)))
        {
            $h.="<tr><td>";
            $h.="Er is een ongeldige bericht ingevoerd!!!";
            $h.="</tr></td>";
        }
        $h.="<tr><td>";
        $h.="</tr></td>";
        $h.="Naam";
        $h.="<tr><td>";
        $h.="<input type=text name=name value=".$name.">";
        $h.="</tr></td>";
        $h.="<tr><td>";
        $h.="E-mail";
        $h.="</tr></td>";
        $h.="<tr><td>";
        $h.="<input type=text name=email value=".$email.">";
        $h.="</tr></td>";
        $h.="<tr><td>";
        $h.="Bericht";
        $h.="</tr></td>";
        $h.="<tr><td>";
        $h.="<textarea name=message cols=40 rows=10>".$message."</textarea>";
        $h.="</tr></td>";
        $h.="<tr><td>";
        $h.="<input type=submit name=post_messages value=post>";
        $h.="</tr></td>";
        $h.="</table>";
        $h.="</form>";

    }
}
else
{
    $h.="<form name=post action=".$_SERVER['PHP_SELF']." method=post>";
    $h.="<table>";
    $h.="<tr><td>";
    $h.="<input type=submit name=post_messages value=post>";
    $h.="</tr></td>";
    $h.="</table>";
    $h.="</form>";
    $h.=$guestbook->view_guestbook();
}
$guestbook->close_guestbook();


echo $h;

?>

 
 

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