/**
* write template to cache
*
* @access public
* @param string cache key
* @param array templates to store
* @return boolean true on success
*/
function write($key, $templates)
{
if (!function_exists('mmcache_lock')) {
return false;
}
mmcache_lock($key);
if ($this->getParam('lifetime') == 'auto') {
mmcache_put($key, serialize($templates));
} else {
mmcache_put($key, serialize($templates), $this->getParam('lifetime') * 60);
}
mmcache_unlock($key);
return true;
}
function cache_put_data($key, $value, $ttl = 120)
{
global $boardurl, $sourcedir, $modSettings, $memcached;
global $cache_hits, $cache_count, $db_show_debug;
if (empty($modSettings['cache_enable']) && !empty($modSettings)) {
return;
}
$cache_count = isset($cache_count) ? $cache_count + 1 : 1;
if (isset($db_show_debug) && $db_show_debug === true) {
$cache_hits[$cache_count] = array('k' => $key, 'd' => 'put', 's' => $value === null ? 0 : strlen(serialize($value)));
$st = microtime();
}
$key = md5($boardurl . filemtime($sourcedir . '/Load.php')) . '-SMF-' . $key;
$value = $value === null ? null : serialize($value);
// The simple yet efficient memcached.
if (function_exists('memcache_set') && isset($modSettings['cache_memcached']) && trim($modSettings['cache_memcached']) != '') {
// Not connected yet?
if (empty($memcached)) {
get_memcached_server();
}
if (!$memcached) {
return;
}
memcache_set($memcached, $key, $value, 0, $ttl);
} elseif (function_exists('eaccelerator_put')) {
if (mt_rand(0, 10) == 1) {
eaccelerator_gc();
}
if ($value === null) {
@eaccelerator_rm($key);
} else {
eaccelerator_put($key, $value, $ttl);
}
} elseif (function_exists('mmcache_put')) {
if (mt_rand(0, 10) == 1) {
mmcache_gc();
}
if ($value === null) {
@mmcache_rm($key);
} else {
mmcache_put($key, $value, $ttl);
}
} elseif (function_exists('apc_store')) {
// An extended key is needed to counteract a bug in APC.
if ($value === null) {
apc_delete($key . 'smf');
} else {
apc_store($key . 'smf', $value, $ttl);
}
} elseif (function_exists('output_cache_put')) {
output_cache_put($key, $value);
}
if (isset($db_show_debug) && $db_show_debug === true) {
$cache_hits[$cache_count]['t'] = array_sum(explode(' ', microtime())) - array_sum(explode(' ', $st));
}
}
/**
* Put data in the cache
*
* Adds data to whatever cache method we're using
*
* @param string $key the cache data identifier
* @param mixed $value the value to be stored
* @param int $ttl how long are we going to cache this data (in seconds)
* @return void
* @since 0.1.0
*/
function smfapi_cachePutData($key, $value, $ttl = 120)
{
global $boardurl, $sourcedir, $modSettings, $memcached;
global $cache_hits, $cache_count, $db_show_debug, $cachedir;
if (empty($modSettings['cache_enable']) && !empty($modSettings)) {
return;
}
$cache_count = isset($cache_count) ? $cache_count + 1 : 1;
if (isset($db_show_debug) && $db_show_debug === true) {
$cache_hits[$cache_count] = array('k' => $key, 'd' => 'put', 's' => $value === null ? 0 : strlen(serialize($value)));
$st = microtime();
}
$key = md5($boardurl . filemtime($sourcedir . '/Load.php')) . '-SMF-' . strtr($key, ':', '-');
$value = $value === null ? null : serialize($value);
// eAccelerator...
if (function_exists('eaccelerator_put')) {
if (mt_rand(0, 10) == 1) {
eaccelerator_gc();
}
if ($value === null) {
@eaccelerator_rm($key);
} else {
eaccelerator_put($key, $value, $ttl);
}
} elseif (function_exists('mmcache_put')) {
if (mt_rand(0, 10) == 1) {
mmcache_gc();
}
if ($value === null) {
@mmcache_rm($key);
} else {
mmcache_put($key, $value, $ttl);
}
} elseif (function_exists('apc_store')) {
// An extended key is needed to counteract a bug in APC.
if ($value === null) {
apc_delete($key . 'smf');
} else {
apc_store($key . 'smf', $value, $ttl);
}
} elseif (function_exists('output_cache_put')) {
output_cache_put($key, $value);
} elseif (function_exists('xcache_set') && ini_get('xcache.var_size') > 0) {
if ($value === null) {
xcache_unset($key);
} else {
xcache_set($key, $value, $ttl);
}
} else {
if ($value === null) {
@unlink($cachedir . '/data_' . $key . '.php');
} else {
$cache_data = '<' . '?' . 'php if (!defined(\'SMF\')) die; if (' . (time() + $ttl) . ' < time()) $expired = true; else{$expired = false; $value = \'' . addcslashes($value, '\\\'') . '\';}' . '?' . '>';
$fh = @fopen($cachedir . '/data_' . $key . '.php', 'w');
if ($fh) {
// write the file.
set_file_buffer($fh, 0);
flock($fh, LOCK_EX);
$cache_bytes = fwrite($fh, $cache_data);
flock($fh, LOCK_UN);
fclose($fh);
// check that the cache write was successful; all the data should be written
// if it fails due to low diskspace, remove the cache file
if ($cache_bytes != strlen($cache_data)) {
@unlink($cachedir . '/data_' . $key . '.php');
}
}
}
}
if (isset($db_show_debug) && $db_show_debug === true) {
$cache_hits[$cache_count]['t'] = array_sum(explode(' ', microtime())) - array_sum(explode(' ', $st));
}
return;
}
/**
* set value of variable in shared mem
*
* @param string $name name of the variable
* @param string $value value of the variable
* @param int $ttl (optional) time to life of the variable
*
* @return bool true on success
* @access public
*/
function set($name, $value, $ttl = 0)
{
mmcache_lock($name);
return mmcache_put($name, $value, $ttl);
}
function set($key, $value, $exptime = 0)
{
mmcache_put($key, serialize($value), $exptime);
return true;
}
/**
* Puts value in the cache under key for ttl seconds.
*
* - It may "miss" so shouldn't be depended on
* - Uses the cache engine chosen in the ACP and saved in settings.php
* - It supports:
* Turck MMCache: http://turck-mmcache.sourceforge.net/index_old.html#api
* Xcache: http://xcache.lighttpd.net/wiki/XcacheApi
* memcache: http://www.php.net/memcache
* APC: http://www.php.net/apc
* eAccelerator: http://bart.eaccelerator.net/doc/phpdoc/
* Zend: http://files.zend.com/help/Zend-Platform/output_cache_functions.htm
* Zend: http://files.zend.com/help/Zend-Platform/zend_cache_functions.htm
*
* @param string $key
* @param string|int|mixed[]|null $value
* @param int $ttl = 120
*/
function cache_put_data($key, $value, $ttl = 120)
{
global $cache_memcached, $memcached, $cache_hits, $cache_count, $db_show_debug;
global $cache_accelerator, $cache_enable;
if (empty($cache_enable)) {
return;
}
$cache_count = isset($cache_count) ? $cache_count + 1 : 1;
if (isset($db_show_debug) && $db_show_debug === true) {
$cache_hits[$cache_count] = array('k' => $key, 'd' => 'put', 's' => $value === null ? 0 : strlen(serialize($value)));
$st = microtime(true);
}
$key = cache_get_key($key);
$value = $value === null ? null : serialize($value);
switch ($cache_accelerator) {
case 'memcached':
// The simple yet efficient memcached.
if (function_exists('memcached_set') || function_exists('memcache_set') && !empty($cache_memcached)) {
// Not connected yet?
if (empty($memcached)) {
get_memcached_server();
}
if (!$memcached) {
return;
}
memcache_set($memcached, $key, $value, 0, $ttl);
}
break;
case 'eaccelerator':
// eAccelerator...
if (function_exists('eaccelerator_put')) {
if (mt_rand(0, 10) == 1) {
eaccelerator_gc();
}
if ($value === null) {
@eaccelerator_rm($key);
} else {
eaccelerator_put($key, $value, $ttl);
}
}
break;
case 'mmcache':
// Turck MMCache?
if (function_exists('mmcache_put')) {
if (mt_rand(0, 10) == 1) {
mmcache_gc();
}
if ($value === null) {
@mmcache_rm($key);
} else {
mmcache_lock($key);
mmcache_put($key, $value, $ttl);
mmcache_unlock($key);
}
}
break;
case 'apc':
case 'apcu':
// Alternative PHP Cache, ahoy!
if (function_exists('apc_store')) {
// An extended key is needed to counteract a bug in APC.
if ($value === null) {
apc_delete($key . 'elkarte');
} else {
apc_store($key . 'elkarte', $value, $ttl);
}
}
break;
case 'zend':
// Zend Platform/ZPS/etc.
if (function_exists('zend_shm_cache_store')) {
zend_shm_cache_store('ELK::' . $key, $value, $ttl);
} elseif (function_exists('output_cache_put')) {
output_cache_put($key, $value);
}
break;
case 'xcache':
if (function_exists('xcache_set') && ini_get('xcache.var_size') > 0) {
if ($value === null) {
xcache_unset($key);
} else {
xcache_set($key, $value, $ttl);
}
}
break;
default:
// Otherwise custom cache?
if ($value === null) {
@unlink(CACHEDIR . '/data_' . $key . '.php');
} else {
$cache_data = '<' . '?' . 'php if (!defined(\'ELK\')) die; if (' . (time() + $ttl) . ' < time()) $expired = true; else{$expired = false; $value = \'' . addcslashes($value, '\\\'') . '\';}';
// Write out the cache file, check that the cache write was successful; all the data must be written
// If it fails due to low diskspace, or other, remove the cache file
if (@file_put_contents(CACHEDIR . '/data_' . $key . '.php', $cache_data, LOCK_EX) !== strlen($cache_data)) {
@unlink(CACHEDIR . '/data_' . $key . '.php');
}
}
break;
}
if (function_exists('call_integration_hook')) {
call_integration_hook('cache_put_data', array($key, $value, $ttl));
}
if (isset($db_show_debug) && $db_show_debug === true) {
$cache_hits[$cache_count]['t'] = microtime(true) - $st;
}
}
function cache_put_data($key, $value, $ttl = 120)
{
global $boardurl, $sourcedir, $modSettings, $memcached;
global $cache_hits, $cache_count, $db_show_debug, $cachedir;
if (empty($modSettings['cache_enable']) && !empty($modSettings)) {
return;
}
$cache_count = isset($cache_count) ? $cache_count + 1 : 1;
if (isset($db_show_debug) && $db_show_debug === true) {
$cache_hits[$cache_count] = array('k' => $key, 'd' => 'put', 's' => $value === null ? 0 : strlen(serialize($value)));
$st = microtime();
}
$key = md5($boardurl . filemtime($sourcedir . '/Load.php')) . '-SMF-' . strtr($key, ':', '-');
$value = $value === null ? null : serialize($value);
// The simple yet efficient memcached.
if (function_exists('memcache_set') && isset($modSettings['cache_memcached']) && trim($modSettings['cache_memcached']) != '') {
// Not connected yet?
if (empty($memcached)) {
get_memcached_server();
}
if (!$memcached) {
return;
}
memcache_set($memcached, $key, $value, 0, $ttl);
} elseif (function_exists('eaccelerator_put')) {
if (mt_rand(0, 10) == 1) {
eaccelerator_gc();
}
if ($value === null) {
@eaccelerator_rm($key);
} else {
eaccelerator_put($key, $value, $ttl);
}
} elseif (function_exists('mmcache_put')) {
if (mt_rand(0, 10) == 1) {
mmcache_gc();
}
if ($value === null) {
@mmcache_rm($key);
} else {
mmcache_put($key, $value, $ttl);
}
} elseif (function_exists('apc_store')) {
// An extended key is needed to counteract a bug in APC.
if ($value === null) {
apc_delete($key . 'smf');
} else {
apc_store($key . 'smf', $value, $ttl);
}
} elseif (function_exists('output_cache_put')) {
output_cache_put($key, $value);
} elseif (function_exists('xcache_set') && ini_get('xcache.var_size') > 0) {
if ($value === null) {
xcache_unset($key);
} else {
xcache_set($key, $value, $ttl);
}
} elseif (function_exists('fwrite')) {
if ($value === null) {
@unlink($cachedir . '/data_' . $key . '.php');
} else {
$fp = @fopen($cachedir . '/data_' . $key . '.php', 'w');
if ($fp) {
// Write the header.
@flock($fp, LOCK_EX);
fwrite($fp, '<' . '?' . 'php if (!defined(\'SMF\')) die; if (' . (time() + $ttl) . ' < time()) $expired = true; else{$expired = false; $value = \'' . addcslashes($value, '\\\'') . '\';}' . '?' . '>');
@flock($fp, LOCK_UN);
fclose($fp);
}
}
}
if (isset($db_show_debug) && $db_show_debug === true) {
$cache_hits[$cache_count]['t'] = array_sum(explode(' ', microtime())) - array_sum(explode(' ', $st));
}
}
/**
* (Plug-in replacement for memcache API) Remove all data from the persistant cache.
*/
function flush()
{
global $ECACHE_OBJECTS;
$ECACHE_OBJECTS = array();
if (function_exists('eaccelerator_rm')) {
foreach (array_keys($ECACHE_OBJECTS) as $obkey) {
eaccelerator_rm($obkey);
}
} elseif (function_exists('mmcache_rm')) {
foreach (array_keys($ECACHE_OBJECTS) as $obkey) {
mmcache_rm($obkey);
}
}
if (function_exists('eaccelerator_put')) {
eaccelerator_put(get_file_base() . 'ECACHE_OBJECTS', $ECACHE_OBJECTS, 0);
} elseif (function_exists('mmcache_put')) {
mmcache_put(get_file_base() . 'ECACHE_OBJECTS', $ECACHE_OBJECTS, 0);
}
}