The Cache Files need to be reduced for the xoops_data folder, this is quite easy to do some example basic work around routines are included here to be worked into XoopsCache::read(), XoopsCache::write() & XoopsCache::delete().
XoopsCache::read() in class/cache/file.php /**
* Read a key from the cache
*
* @param string $key Identifier for the data
* @return mixed The cached data, or false if the data doesn't exist, has expired, or if there was an error fetching it
* @access public
*/
function read($key)
{
$fingerprint = md5(implode('',array_reverse(explode("_",$key)));
if ($this->setKey(sha1(substr($fingerprint,0,2))) === false || ! $this->init) {
return false;
}
if ($this->settings['lock']) {
$this->file->lock = true;
}
$data = $this->file->read(true);
if (!empty($data) && !empty($this->settings['serialize'])) {
$data = stripslashes($data);
$data = preg_replace('!s:(d+):"(.*?)";!se', "'s:'.strlen('$2').':"$2";'", $data);
$data = unserialize($data);
if (is_array($data)) {
XoopsLoad::load('XoopsUtility');
$data = XoopsUtility::recursive('stripslashes', $data);
}
} else if ($data && empty($this->settings['serialize'])) {
$data = eval($data);
}
$unset = false;
foreach($data['keys'] as $kiy => $cachetime)
{
if ($cachetime !== false && intval($cachetime) < time()) {
unset($data['values'][$kiy]);
unset($data['keys'][$kiy]);
$unset = true;
}
}
$this->file->close();
return !empty($data['values'][$key])?$data['values'][$key]:false;
}
XoopsCache::write() in class/cache/file.php /**
* Write data for key into cache
*
* @param string $key Identifier for the data
* @param mixed $data Data to be cached
* @param mixed $duration How long to cache the data, in seconds
* @return boolean True if the data was successfully cached, false on failure
* @access public
*/
function write($key, $values = null, $duration = null)
{
if (!isset($data) || ! $this->init) {
return false;
}
$fingerprint = md5(implode('',array_reverse(explode("_",$key)));
if ($this->setKey(sha1(substr($fingerprint,0,2))) === false || ! $this->init) {
return false;
}
if ($duration == null) {
$duration = $this->settings['duration'];
}
$data = $this->file->read(true);
if (!empty($data) && !empty($this->settings['serialize'])) {
$data = stripslashes($data);
$data = preg_replace('!s:(d+):"(.*?)";!se', "'s:'.strlen('$2').':"$2";'", $data);
$data = unserialize($data);
if (is_array($data)) {
XoopsLoad::load('XoopsUtility');
$data = XoopsUtility::recursive('stripslashes', $data);
}
} else if ($data && empty($this->settings['serialize'])) {
$data = eval($data);
}
foreach($data['keys'] as $kiy => $cachetime)
{
if ($cachetime !== false && intval($cachetime) < time()) {
unset($data['values'][$kiy]);
unset($data['keys'][$kiy]);
}
}
$data['keys'][$key] = $expires = time() + $duration;
$data['values'][$key] = $values;
$windows = false;
$lineBreak = "n";
if (substr(PHP_OS, 0, 3) == "WIN") {
$lineBreak = "rn";
$windows = true;
}
;
if (!empty($this->settings['serialize'])) {
if ($windows) {
$data = str_replace('\', '\\\\', serialize($data));
} else {
$data = serialize($data);
}
$contents = $data . $lineBreak;
} else {
$contents = "return " . var_export($data, true) . ";" . $lineBreak;
}
if ($this->settings['lock']) {
$this->file->lock = true;
}
$success = $this->file->write($contents);
$this->file->close();
return $success;
}
XoopsCache::delete() in class/cache/file.php /**
* Delete a key from the cache
*
* @param string $key Identifier for the data
* @return boolean True if the value was successfully deleted, false if it didn't exist or couldn't be removed
* @access public
*/
function delete($key)
{
$fingerprint = md5(implode('',array_reverse(explode("_",$key)));
if ($this->setKey(sha1(substr($fingerprint,0,2))) === false || ! $this->init) {
return false;
}
if ($this->settings['lock']) {
$this->file->lock = true;
}
$data = $this->file->read(true);
if (!empty($data) && !empty($this->settings['serialize'])) {
$data = stripslashes($data);
$data = preg_replace('!s:(d+):"(.*?)";!se', "'s:'.strlen('$2').':"$2";'", $data);
$data = unserialize($data);
if (is_array($data)) {
XoopsLoad::load('XoopsUtility');
$data = XoopsUtility::recursive('stripslashes', $data);
}
} else if ($data && empty($this->settings['serialize'])) {
$data = eval($data);
}
$unset = false;
foreach($data['keys'] as $kiy => $cachetime)
{
if ($cachetime !== false && intval($cachetime) < time()) {
unset($data['values'][$kiy]);
unset($data['keys'][$kiy]);
$unset = true;
}
}
unset($data['values'][$key]);
unset($data['keys'][$key]);
$windows = false;
$lineBreak = "n";
if (substr(PHP_OS, 0, 3) == "WIN") {
$lineBreak = "rn";
$windows = true;
}
;
if (!empty($this->settings['serialize'])) {
if ($windows) {
$data = str_replace('\', '\\\\', serialize($data));
} else {
$data = serialize($data);
}
$contents = $data . $lineBreak;
} else {
$contents = "return " . var_export($data, true) . ";" . $lineBreak;
}
if ($this->settings['lock']) {
$this->file->lock = true;
}
$success = $this->file->write($contents);
$this->file->close();
return true;
}
