/**
* Recursively walk the tree of trash mailboxes and delete all folders and messages
*
* @param int index the place in the tree to start, usually 0
* @param stream imap_stream the IMAP connection to send commands to
* @param array tree the tree to walk
* @return void
*/
function walkTreeInPreOrderEmptyTrash($index, $imap_stream, $tree)
{
global $trash_folder;
if ($tree[$index]['doIHaveChildren']) {
for ($j = 0; $j < count($tree[$index]['subNodes']); $j++) {
walkTreeInPreOrderEmptyTrash($tree[$index]['subNodes'][$j], $imap_stream, $tree);
}
if ($tree[$index]['value'] != $trash_folder) {
sqimap_mailbox_delete($imap_stream, $tree[$index]['value']);
} else {
$mbx_response = sqimap_mailbox_select($imap_stream, $trash_folder);
if ($mbx_response['EXISTS'] > 0) {
sqimap_messages_flag($imap_stream, 1, '*', 'Deleted', true);
// CLOSE === EXPUNGE and UNSELECT
sqimap_run_command($imap_stream, 'CLOSE', false, $response, $message);
}
}
} else {
if ($tree[$index]['value'] != $trash_folder) {
sqimap_mailbox_delete($imap_stream, $tree[$index]['value']);
} else {
$mbx_response = sqimap_mailbox_select($imap_stream, $trash_folder);
if ($mbx_response['EXISTS'] > 0) {
sqimap_messages_flag($imap_stream, 1, '*', 'Deleted', true);
// CLOSE === EXPUNGE and UNSELECT
sqimap_run_command($imap_stream, 'CLOSE', false, $response, $message);
}
}
}
}
function walkTreeInPreOrderEmptyTrash($index, $imap_stream, $tree)
{
global $trash_folder;
if ($tree[$index]['doIHaveChildren']) {
for ($j = 0; $j < count($tree[$index]['subNodes']); $j++) {
walkTreeInPreOrderEmptyTrash($tree[$index]['subNodes'][$j], $imap_stream, $tree);
}
if ($tree[$index]['value'] != $trash_folder) {
sqimap_mailbox_delete($imap_stream, $tree[$index]['value']);
} else {
$mbx_response = sqimap_mailbox_select($imap_stream, $trash_folder);
if ($mbx_response['EXISTS'] > 0) {
sqimap_messages_flag($imap_stream, 1, '*', 'Deleted', true);
sqimap_mailbox_expunge($imap_stream, $trash_folder, true);
}
}
} else {
if ($tree[$index]['value'] != $trash_folder) {
sqimap_mailbox_delete($imap_stream, $tree[$index]['value']);
} else {
$mbx_response = sqimap_mailbox_select($imap_stream, $trash_folder);
if ($mbx_response['EXISTS'] > 0) {
sqimap_messages_flag($imap_stream, 1, '*', 'Deleted', true);
sqimap_mailbox_expunge($imap_stream, $trash_folder, true);
}
}
}
}
* so lets go through the list of subfolders and remove them before removing the
* parent.
*/
/** First create the top node in the tree **/
$numboxes = count($boxes);
for ($i = 0; $i < $numboxes; $i++) {
if ($boxes[$i]['unformatted'] == $mailbox && strlen($boxes[$i]['unformatted']) == strlen($mailbox)) {
$foldersTree[0]['value'] = $mailbox;
$foldersTree[0]['doIHaveChildren'] = false;
continue;
}
}
/*
* Now create the nodes for subfolders of the parent folder
* You can tell that it is a subfolder by tacking the mailbox delimiter
* on the end of the $mailbox string, and compare to that.
*/
$j = 0;
for ($i = 0; $i < $numboxes; $i++) {
if (substr($boxes[$i]['unformatted'], 0, strlen($mailbox . $delimiter)) == $mailbox . $delimiter) {
addChildNodeToTree($boxes[$i]['unformatted'], $boxes[$i]['unformatted-dm'], $foldersTree);
}
}
// now lets go through the tree and delete the folders
walkTreeInPreOrderEmptyTrash(0, $imap_stream, $foldersTree);
sqimap_logout($imap_stream);
// close session properly before redirecting
session_write_close();
$location = get_location();
// force_refresh = 1 in case trash contains deleted mailboxes
header("Location: {$location}/left_main.php?force_refresh=1");
