J'ai revisité le code de la page des signalements en y ajoutant quelques bricoles et aussi la possibilité de vider la table quand le nombre de signalements devient trop envahissant.

Voici le code de la page.

<?php
/***********************************************************************

  Copyright (C) 2002-2005  Rickard Andersson (rickard@punbb.org)

  This file is part of PunBB.

  PunBB is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published
  by the Free Software Foundation; either version 2 of the License,
  or (at your option) any later version.

  PunBB is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  MA  02111-1307  USA

************************************************************************/


// Tell header.php to use the admin template
define('PUN_ADMIN_CONSOLE', 1);

define('PUN_ROOT', './');
require PUN_ROOT.'include/common.php';
require PUN_ROOT.'include/common_admin.php';


if ($pun_user['g_id'] > PUN_MOD)
    message($lang_common['No permission']);


// Zap a report
if (isset($_POST['zap_id']))
{
    confirm_referrer('admin_reports.php');

    $zap_id = intval(key($_POST['zap_id']));

    $result = $db->query('SELECT zapped FROM '.$db->prefix.'reports WHERE id='.$zap_id) or error('Unable to fetch report info', __FILE__, __LINE__, $db->error());
    $zapped = $db->result($result);

    if ($zapped == '')
        $db->query('UPDATE '.$db->prefix.'reports SET zapped='.time().', zapped_by='.$pun_user['id'].' WHERE id='.$zap_id) or error('Unable to zap report', __FILE__, __LINE__, $db->error());

    redirect('admin_reports.php', 'Signalement ignoré. Redirection ...');
}


$page_title = pun_htmlspecialchars($pun_config['o_board_title']).' / Admin / Signalements';
require PUN_ROOT.'header.php';

generate_admin_menu('reports');

?>
    <div class="blockform">
        <h2><span>Nouveaux signalements</span></h2>
        <div class="box">
            <form method="post" action="admin_reports.php?action=zap">
<?php

$result = $db->query('SELECT r.id, r.post_id, r.topic_id, r.forum_id, r.reported_by, r.created, r.message, t.subject, f.forum_name, u.username AS reporter FROM '.$db->prefix.'reports AS r LEFT JOIN '.$db->prefix.'topics AS t ON r.topic_id=t.id LEFT JOIN '.$db->prefix.'forums AS f ON r.forum_id=f.id LEFT JOIN '.$db->prefix.'users AS u ON r.reported_by=u.id WHERE r.zapped IS NULL ORDER BY created DESC') or error('Unable to fetch report list', __FILE__, __LINE__, $db->error());

if ($db->num_rows($result))
{
    while ($cur_report = $db->fetch_assoc($result))
    {
        $reporter = ($cur_report['reporter'] != '') ? '<a href="profile.php?id='.$cur_report['reported_by'].'">'.pun_htmlspecialchars($cur_report['reporter']).'</a>' : 'Utilisateur supprimé';
        $forum = ($cur_report['forum_name'] != '') ? '<a href="viewforum.php?id='.$cur_report['forum_id'].'">'.pun_htmlspecialchars($cur_report['forum_name']).'</a>' : 'Supprimé';
        $topic = ($cur_report['subject'] != '') ? '<a href="viewtopic.php?id='.$cur_report['topic_id'].'">'.pun_htmlspecialchars($cur_report['subject']).'</a>' : 'Supprimé';
        $post = ($cur_report['post_id'] != '') ? str_replace("\n", '<br />', pun_htmlspecialchars($cur_report['message'])) : 'Supprimé';
        $postid = ($cur_report['post_id'] != '') ? '<a href="viewtopic.php?pid='.$cur_report['post_id'].'#p'.$cur_report['post_id'].'">Post #'.$cur_report['post_id'].'</a>' : 'Supprimé';

?>
                <div class="inform">
                    <fieldset>
                        <legend>Rapport <?php echo $cur_report['id'] ?> signalé le <?php echo format_time($cur_report['created']) ?></legend>
                        <div class="infldset">
                            <table cellspacing="0">
                                <tr>
                                    <th scope="row">Forum&nbsp;&raquo;&nbsp;Discussion&nbsp;&raquo;&nbsp;Message</th>
                                    <td><?php echo $forum ?>&nbsp;&raquo;&nbsp;<?php echo $topic ?>&nbsp;&raquo;&nbsp;<?php echo $postid ?></td>
                                </tr>
                                <tr>
                                    <th scope="row">Signalé par <?php echo $reporter ?><div><input type="submit" name="zap_id[<?php echo $cur_report['id'] ?>]" value=" Action Terminée " /></div></th>
                                    <td><?php echo $post ?></td>
                                </tr>
                            </table>
                        </div>
                    </fieldset>
                </div>
<?php

    }
}
else
    echo "\t\t\t\t".'<p>Il n\'y a pas de nouveaux signalements.</p>'."\n";

?>
            </form>
        </div>
    </div>

    <div class="blockform block2">
        <h2><span>10 dernières Actions Terminées</span></h2>
        <div class="box">
            <div class="fakeform">
<?php

$result = $db->query('SELECT r.id, r.post_id, r.topic_id, r.forum_id, r.reported_by, r.message, r.zapped, r.zapped_by AS zapped_by_id, t.subject, f.forum_name, u.username AS reporter, u2.username AS zapped_by FROM '.$db->prefix.'reports AS r LEFT JOIN '.$db->prefix.'topics AS t ON r.topic_id=t.id LEFT JOIN '.$db->prefix.'forums AS f ON r.forum_id=f.id LEFT JOIN '.$db->prefix.'users AS u ON r.reported_by=u.id LEFT JOIN '.$db->prefix.'users AS u2 ON r.zapped_by=u2.id WHERE r.zapped IS NOT NULL ORDER BY zapped DESC LIMIT 10') or error('Impossible de retrouver la liste des signalements', __FILE__, __LINE__, $db->error());

if ($db->num_rows($result))
{
    while ($cur_report = $db->fetch_assoc($result))
    {
        $reporter = ($cur_report['reporter'] != '') ? '<a href="profile.php?id='.$cur_report['reported_by'].'">'.pun_htmlspecialchars($cur_report['reporter']).'</a>' : 'Utilisateur supprimé';
        $forum = ($cur_report['forum_name'] != '') ? '<a href="viewforum.php?id='.$cur_report['forum_id'].'">'.pun_htmlspecialchars($cur_report['forum_name']).'</a>' : 'Supprimé';
        $topic = ($cur_report['subject'] != '') ? '<a href="viewtopic.php?id='.$cur_report['topic_id'].'">'.pun_htmlspecialchars($cur_report['subject']).'</a>' : 'Supprimé';
        $post = ($cur_report['post_id'] != '') ? str_replace("\n", '<br />', pun_htmlspecialchars($cur_report['message'])) : 'Supprimé';
        $post_id = ($cur_report['post_id'] != '') ? '<a href="viewtopic.php?pid='.$cur_report['post_id'].'#p'.$cur_report['post_id'].'">Post #'.$cur_report['post_id'].'</a>' : 'Supprimé';
        $zapped_by = ($cur_report['zapped_by'] != '') ? '<a href="profile.php?id='.$cur_report['zapped_by_id'].'">'.pun_htmlspecialchars($cur_report['zapped_by']).'</a>' : 'N/A';

?>
                <div class="inform">
                    <fieldset>
                        <legend>Rapport <?php echo $cur_report['id'] ?> action terminée <?php echo format_time($cur_report['zapped']) ?></legend>
                        <div class="infldset">
                            <table cellspacing="0">
                                <tr>
                                    <th scope="row">Forum&nbsp;&raquo;&nbsp;Discussion&nbsp;&raquo;&nbsp;Message</th>
                                    <td><?php echo $forum ?>&nbsp;&raquo;&nbsp;<?php echo $topic ?>&nbsp;&raquo;&nbsp;<?php echo $post_id ?></td>
                                </tr>
                                <tr>
                                    <th scope="row">Signalé par <?php echo $reporter ?><div class="topspace">Action Terminée par <?php echo $zapped_by ?></div></th>
                                    <td><?php echo $post ?></td>
                                </tr>
                            </table>
                        </div>
                    </fieldset>
                </div>
<?php

    }

if(isset($_POST['empty_it']))
{
//Vide la table 'nom_de_la_table'
    $query = mysql_query('TRUNCATE TABLE '.$db->prefix.'reports');
echo '<meta http-equiv="refresh" content="0">';
}
?>
<center><form method="post" action="admin_reports.php">
<input type="submit" name="empty_it" value="Vider la table">
</form></center>
<?php
   
}
else
    echo "\t\t\t\t".'<p>Il n\'y a pas de signalement ignoré.</p>'."\n";

?>
            </div>
        </div>
    </div>
    <div class="clearer"></div>
</div>
<?php

require PUN_ROOT.'footer.php';