public static function initialize($method = self::cache_in_memory, $arguments = array())
{
if (!in_array($method, self::$_storageMethods)) {
return false;
}
switch ($method) {
case self::cache_to_apc:
if (!function_exists('apc_store')) {
return false;
}
if (apc_sma_info() === false) {
return false;
}
break;
case self::cache_to_memcache:
if (!function_exists('memcache_add')) {
return false;
}
break;
case self::cache_to_wincache:
if (!function_exists('wincache_ucache_add')) {
return false;
}
break;
}
self::$_storageMethodParameters[$method] = self::$_storageMethodDefaultParameters[$method];
foreach ($arguments as $k => $v) {
if (isset(self::$_storageMethodParameters[$method][$k])) {
self::$_storageMethodParameters[$method][$k] = $v;
}
}
if (is_null(self::$_cacheStorageMethod)) {
self::$_cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $method;
self::$_cacheStorageMethod = $method;
}
return true;
}
/**
* Identify the cache storage method to use
*
* @param string $method Name of the method to use for cell cacheing
* @param array of mixed $arguments Additional arguments to pass to the cell caching class
* when instantiating
* @return boolean
**/
public static function initialize($method = self::cache_in_memory, $arguments = array())
{
if (!in_array($method, self::$_storageMethods)) {
return FALSE;
}
$cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $method;
if (!call_user_func(array($cacheStorageClass, 'cacheMethodIsAvailable'))) {
return FALSE;
}
self::$_storageMethodParameters[$method] = self::$_storageMethodDefaultParameters[$method];
foreach ($arguments as $k => $v) {
if (isset(self::$_storageMethodParameters[$method][$k])) {
self::$_storageMethodParameters[$method][$k] = $v;
}
}
if (self::$_cacheStorageMethod === NULL) {
self::$_cacheStorageClass = 'PHPExcel_CachedObjectStorage_' . $method;
self::$_cacheStorageMethod = $method;
}
return TRUE;
}
/**
* Clear the cache storage
*
**/
public static function finalize()
{
self::$_cacheStorageMethod = NULL;
self::$_cacheStorageClass = NULL;
self::$_storageMethodParameters = array();
}
