function loesche_posting()
{
global $conn, $th_id, $po_id, $thread;
global $arr_delete;
global $farbe_tabellenrahmen, $farbe_tabelle_kopf2, $punkte_pro_posting, $t, $farbe_text;
$arr_delete = array();
//tabelle posting und thema locken
$sql = "LOCK TABLES posting, thema WRITE";
@mysql_query($sql, $conn);
//rekursiv alle zu loeschenden postings in feld einlesen
$arr_delete[] = $po_id;
hole_alle_unter($po_id);
//po_threadorder neu schreiben
//nur relevant, wenn posting nicht erster im Thread
//ansonsten wird es eh geloescht
if ($po_id != $thread) {
$sql = "select po_threadorder, po_ts from posting where po_id=" . intval($thread);
$query = mysql_query($sql, $conn);
$threadorder = mysql_result($query, 0, "po_threadorder");
$new_ts = mysql_result($query, 0, "po_ts");
//in array einlesen und zu loeschende rausschmeissen
$arr_new_threadorder = explode(",", $threadorder);
$arr_new_threadorder = array_diff($arr_new_threadorder, $arr_delete);
if (count($arr_new_threadorder) == 0) {
$arr_new_threadorder[0] = 0;
} else {
// beim löschen eines Postings wird hier die letzte änderung aller postings gesucht, damit
// der thread_ts wieder stimmt
$new_ts = '0000000000';
$new_threadorder = implode(",", $arr_new_threadorder);
$arr_new_threadorder = explode(",", $new_threadorder);
for ($i = 0; $i < count($arr_new_threadorder); $i++) {
$sql = "select po_ts from posting where po_id = " . intval($arr_new_threadorder[$i]);
$query = mysql_query($sql, $conn);
$ts = mysql_result($query, 0, "po_ts");
if ($ts > $new_ts) {
$new_ts = $ts;
}
}
}
$new_threadorder = implode(",", $arr_new_threadorder);
$sql = "update posting\n set po_threadorder = '{$new_threadorder}', po_threadts = {$new_ts}\n where po_id = {$thread}";
mysql_query($sql, $conn);
//eventuell letztes Posting auf ebene neu markieren
$sql = "select po_vater_id, po_threadorder from posting where po_id = " . intval($po_id);
$query = mysql_query($sql, $conn);
$threadorder = mysql_result($query, 0, "po_threadorder");
$vater_id = mysql_result($query, 0, "po_vater_id");
//falls letztes posting, dann neu setzen
if ($threadorder == "1") {
$sql = "select po_id from posting\n where po_vater_id = {$vater_id}\n and po_id <> " . intval($po_id) . "\n order by po_ts desc\n limit 1";
$query = mysql_query($sql, $conn);
if (mysql_num_rows($query) > 0) {
$po_id_update = mysql_result($query, 0, "po_id");
$sql = "update posting\n set po_threadorder = '1'\n where po_id = {$po_id_update}";
mysql_query($sql, $conn);
}
}
}
//eintragungen in Thema neu schreiben
$sql = "select th_anzthreads, th_anzreplys, th_postings from thema where th_id=" . intval($th_id);
$query = mysql_query($sql, $conn);
$postings = mysql_result($query, 0, "th_postings");
$anzthreads = mysql_result($query, 0, "th_anzthreads");
$anzreplys = mysql_result($query, 0, "th_anzreplys");
//in array einlesen und zu loeschende rausschmeissen
$arr_new_postings = explode(",", $postings);
$arr_new_postings = array_diff($arr_new_postings, $arr_delete);
$new_postings = implode(",", $arr_new_postings);
//th_anzthreads und th_anzreplys neu schreiben
if ($po_id == $thread) {
$anzthreads--;
$anzreplys = $anzreplys - count($arr_delete) + 1;
} else {
$anzreplys = $anzreplys - count($arr_delete);
}
$sql = "update thema\n set th_anzthreads = {$anzthreads},\n th_anzreplys = {$anzreplys},\n th_postings = '{$new_postings}'\n where th_id = " . intval($th_id);
mysql_query($sql, $conn);
// Punkte abziehen
echo "<table width=\"760\" cellspacing=\"0\" cellpadding=\"1\" border=\"0\" bgcolor=\"{$farbe_tabellenrahmen}\"><tr><td>\n" . "<table width=\"100%\" cellspacing=\"0\" cellpadding=\"3\" border=\"0\">" . "<tr bgcolor=\"{$farbe_tabelle_kopf2}\" valign=\"bottom\">\n<TD><DIV style=\"color:{$farbe_text}; font-weight:bold;\">";
reset($arr_delete);
while (list($k, $v) = @each($arr_delete)) {
$sql = "select po_u_id from posting where po_id = " . intval($v);
$result = mysql_query($sql, $conn);
if ($result && mysql_num_rows($result) == 1) {
$po_u_id = mysql_result($result, 0, 0);
if ($po_u_id) {
echo $t['forum_punkte2'] . punkte_offline($punkte_pro_posting * -1, $po_u_id) . "<BR>";
}
}
@mysql_free_result($result);
}
echo "</DIV></TD></tr></table></td></tr></table><BR>\n";
reset($arr_delete);
while (list($k, $v) = @each($arr_delete)) {
$sql = "delete from posting where po_id = " . intval($v);
mysql_query($sql, $conn);
}
//Tabellen wieder freigeben
$sql = "UNLOCK TABLES";
@mysql_query($sql, $conn);
}
function verbuche_punkte($u_id)
{
global $t, $punkte_pro_posting, $farbe_tabellenrahmen, $farbe_tabelle_kopf2, $farbe_text;
global $punktefeatures;
if ($punktefeatures) {
echo "<table width=\"760\" cellspacing=\"0\" cellpadding=\"1\" border=\"0\" bgcolor=\"{$farbe_tabellenrahmen}\"><tr><td>\n";
echo "<table width=\"100%\" cellspacing=\"0\" cellpadding=\"3\" border=\"0\">";
echo "<tr bgcolor=\"{$farbe_tabelle_kopf2}\" valign=\"bottom\">\n<TD><DIV style=\"color:{$farbe_text}; font-weight:bold;\">" . $t['forum_punkte1'] . punkte_offline($punkte_pro_posting, $u_id) . "</DIV></TD></tr></table></td></tr></table><BR>\n";
}
}