$sub =& $items;
if (count($blocktree) > 1) {
for ($i = 1; $i < count($blocktree); $i++) {
$sub =& $sub[$blocktree[$i] - 1]['items'];
//-1 to adjust for 1-indexing
}
}
if (is_array($sub[$blockid])) {
//make sure it's really a block
$blockitems = $sub[$blockid]['items'];
$obid = $sub[$blockid]['id'];
if (count($blockitems) > 0) {
if (isset($_POST['delcontents']) && $_POST['delcontents'] == 1) {
//clear out contents of block
require "delitembyid.php";
delrecurse($blockitems);
array_splice($sub, $blockid, 1);
//remove block and contained items from itemorder
} else {
array_splice($sub, $blockid, 1, $blockitems);
//remove block, replace with items in block
}
} else {
array_splice($sub, $blockid, 1);
//empty block; just remove block
}
}
$itemlist = addslashes(serialize($items));
$query = "UPDATE imas_courses SET itemorder='{$itemlist}' WHERE id='{$_GET['cid']}'";
mysql_query($query) or die("Query failed : " . mysql_error());
mysql_query("COMMIT") or die("Query failed :{$query} " . mysql_error());
function delrecurse($itemarr)
{
//delete items, recursing through blocks as needed
foreach ($itemarr as $itemid) {
if (is_array($itemid)) {
delrecurse($itemid['items']);
} else {
delitembyid($itemid);
}
}
}