/**
* This method will return an array of cache keys that may be used to store this model in cache. The $modelAttributes
* array should contain all the fields required to populate the unique keys returned from getUniqueKeys()
*
* @access public
* @static
* @param array $modelAttributes
* @return array Returns an array of cache keys, keyed off the column names.
*/
public static function uniqueKeys(Model $sourceObject)
{
$objectKeys = $sourceObject->getUniqueKeys();
$primaryKey = $sourceObject->getKeyName();
if (!in_array($primaryKey, $objectKeys)) {
$objectKeys[] = $primaryKey;
}
$uniqueKeys = [];
foreach ($objectKeys as $value) {
$key = $value;
if (is_array($key)) {
sort($key);
sort($value);
$key = implode(",", $key);
}
$uniqueKeys[$key] = $value;
}
ksort($uniqueKeys);
return $uniqueKeys;
}
