Example template for a context token

example.php

function getContextToken ( 
  $project_id = null, 
  $record = null, 
  $event_id = null, 
  $module_prefix = self::_PREFIX, 
  $custom = [],
  $duration_valid_in_mins = 5
) {
  // refactor to allow passing parameters in an array as a single argument as well
  // use database salt to prevent cross-site issues
  ...

  return $context_token;
}

function validateContextToken($context_token, 
) {
  $project_id = null, 
  $record = null, 
  $event_id = null, 
  $module_prefix = self::_PREFIX, 
  $custom = [],
  ...
  return true|false
}