/**
* Parses the key turning it into a string (or array is required) suitable to be passed to the cache store.
*
* This function is called for every operation that uses keys. For this reason we use this function to also check
* that the current user is the same as the user who last used this cache.
*
* On top of that if prepends the string 'sess_' to the start of all keys. The _ ensures things are easily identifiable.
*
* @param string|int $key As passed to get|set|delete etc.
* @return string|array String unless the store supports multi-identifiers in which case an array if returned.
*/
protected function parse_key($key)
{
$prefix = $this->get_key_prefix();
if ($key === self::LASTACCESS) {
return $key . $prefix;
}
return $prefix . '_' . parent::parse_key($key);
}
/**
* Parses the key turning it into a string (or array is required) suitable to be passed to the cache store.
*
* This function is called for every operation that uses keys. For this reason we use this function to also check
* that the current user is the same as the user who last used this cache.
*
* On top of that if prepends the string 'sess_' to the start of all keys. The _ ensures things are easily identifiable.
*
* @param string|int $key As passed to get|set|delete etc.
* @return string|array String unless the store supports multi-identifiers in which case an array if returned.
*/
protected function parse_key($key)
{
if ($key === 'lastaccess') {
$key = '__lastaccess__';
}
return 'sess_' . parent::parse_key($key);
}