// docs/reindex.asciidoc:833 [source, php] ---- $params = [ 'body' => [ 'source' => [ 'index' => 'twitter', ], 'dest' => [ 'index' => 'new_twitter', 'version_type' => 'external', ], 'script' => [ 'source' => 'if (ctx._source.foo == \'bar\') {ctx._version++; ctx._source.remove(\'foo\')}', 'lang' => 'painless', ], ], ]; $response = $client->reindex($params); ----