reset();
}
function reset() {
$this->path = array();
$this->snapshot = array();
}
function add_current_page() {
global $PHP_SELF, $HTTP_GET_VARS, $HTTP_POST_VARS, $request_type, $cPath;
$set = 'true';
for ($i=0, $n=sizeof($this->path); $i<$n; $i++) {
if ( ($this->path[$i]['page'] == basename($PHP_SELF)) ) {
if (isset($cPath)) {
if (!isset($this->path[$i]['get']['cPath'])) {
continue;
} else {
if ($this->path[$i]['get']['cPath'] == $cPath) {
array_splice($this->path, ($i+1));
$set = 'false';
break;
} else {
$old_cPath = explode('_', $this->path[$i]['get']['cPath']);
$new_cPath = explode('_', $cPath);
for ($j=0, $n2=sizeof($old_cPath); $j<$n2; $j++) {
if ($old_cPath[$j] != $new_cPath[$j]) {
array_splice($this->path, ($i));
$set = 'true';
break 2;
}
}
}
}
} else {
array_splice($this->path, ($i));
$set = 'true';
break;
}
}
}
if ($set == 'true') {
$this->path[] = array('page' => basename($PHP_SELF),
'mode' => $request_type,
'get' => $this->filter_parameters($HTTP_GET_VARS),
'post' => $this->filter_parameters($HTTP_POST_VARS));
}
}
function remove_current_page() {
global $PHP_SELF;
$last_entry_position = sizeof($this->path) - 1;
if ($this->path[$last_entry_position]['page'] == basename($PHP_SELF)) {
unset($this->path[$last_entry_position]);
}
}
function set_snapshot($page = '') {
global $PHP_SELF, $HTTP_GET_VARS, $HTTP_POST_VARS, $request_type;
if (is_array($page)) {
$this->snapshot = array('page' => $page['page'],
'mode' => $page['mode'],
'get' => $this->filter_parameters($page['get']),
'post' => $this->filter_parameters($page['post']));
} else {
$this->snapshot = array('page' => basename($PHP_SELF),
'mode' => $request_type,
'get' => $this->filter_parameters($HTTP_GET_VARS),
'post' => $this->filter_parameters($HTTP_POST_VARS));
}
}
function clear_snapshot() {
$this->snapshot = array();
}
function set_path_as_snapshot($history = 0) {
$pos = (sizeof($this->path)-1-$history);
$this->snapshot = array('page' => $this->path[$pos]['page'],
'mode' => $this->path[$pos]['mode'],
'get' => $this->path[$pos]['get'],
'post' => $this->path[$pos]['post']);
}
function debug() {
for ($i=0, $n=sizeof($this->path); $i<$n; $i++) {
echo $this->path[$i]['page'] . '?';
while (list($key, $value) = each($this->path[$i]['get'])) {
echo $key . '=' . $value . '&';
}
if (sizeof($this->path[$i]['post']) > 0) {
echo '
';
while (list($key, $value) = each($this->path[$i]['post'])) {
echo ' ' . $key . '=' . $value . '
';
}
}
echo '
';
}
if (sizeof($this->snapshot) > 0) {
echo '
';
echo $this->snapshot['mode'] . ' ' . $this->snapshot['page'] . '?' . tep_array_to_string($this->snapshot['get'], array(tep_session_name())) . '
';
}
}
function filter_parameters($parameters) {
$clean = array();
if (is_array($parameters)) {
reset($parameters);
while (list($key, $value) = each($parameters)) {
if (strpos($key, '_nh-dns') < 1) {
$clean[$key] = $value;
}
}
}
return $clean;
}
function unserialize($broken) {
for(reset($broken);$kv=each($broken);) {
$key=$kv['key'];
if (gettype($this->$key)!="user function")
$this->$key=$kv['value'];
}
}
}
?>