$values = $this->memCache->getMulti( array_keys( $pathNames ) );
foreach ( $values as $cacheKey => $val ) {
$path = $pathNames[$cacheKey];
$values = $this->memCache->getMulti( array_keys( $pathNames ) );
foreach ( $values as $cacheKey => $val ) {
$path = $pathNames[$cacheKey];