public function codeDigest($content)
 {
     $formula = $this->getAndCheckFolder(com_wiris_plugin_api_ConfigurationKeys::$FORMULA_FOLDER);
     $digest = com_wiris_system_Md5Tools::encodeString($content);
     $store = com_wiris_util_sys_Store::newStoreWithParent(com_wiris_util_sys_Store::newStore($formula), $digest . ".ini");
     $store->write($content);
     return $digest;
 }
 public function codeDigest($content)
 {
     $digest = com_wiris_system_Md5Tools::encodeString($content);
     $parent = $this->getFolderStore($this->getAndCheckFolder(com_wiris_plugin_api_ConfigurationKeys::$FORMULA_FOLDER), $digest);
     $parent->mkdirs();
     $store = $this->getFileStoreWithParent($parent, $digest, "ini");
     $store->write($content);
     return $digest;
 }