Message: strftime() [function.strftime]: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Europe/Paris' for '1.0/no DST' instead

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<?php
public function _gc($maxlifetime)
  {
	  $sess_live_time = strftime('%Y-%m-%d %H:%M', strtotime('-$maxlifetime seconds'));
	$this->db->query('DELETE FROM '.DB_PREFIX.DB_TBL_SESSION.' WHERE sess_last_update < ''.$sess_live_time.''');
	return $this->db->get_affected_rows();
  }
?>
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