René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Inserting MVA Attrubutes","articleBody":"Add to FAQ / ReadME\r\n\r\n```\r\nclass SBSearch { \r\n...\r\n... somewhere above is init() method\r\n\r\npublic static function createConnection()\r\n    {\r\n        $conn = new Connection();\r\n        $conn-\u003esetParams([\r\n            'host' =\u003e self::$sphinx_connection_host,\r\n            'port' =\u003e self::$sphinx_connection_port\r\n        ]);\r\n\r\n        return (new SphinxQL($conn));\r\n    }\r\n\r\npublic static function rt_ReplaceIndex(string $index_name, array $updateset)\r\n    {\r\n        if (empty($updateset)) return null;\r\n\r\n        return self::createConnection()\r\n            -\u003ereplace()\r\n            -\u003einto($index_name)\r\n            -\u003eset($updateset)\r\n            -\u003eexecute();\r\n }\r\n...\r\n```\r\nI am adding data to my index.\r\n\r\n```\r\n$dataset = [\r\n                'id'            =\u003e  $id,\r\n                'title'         =\u003e  $item['title'],\r\n                'short'         =\u003e  $item['short'],\r\n                'text'          =\u003e  $item['text_bb'],\r\n\r\n                'date_added'    =\u003e  date_format( date_create_from_format('Y-m-d H:i:s', $item['cdate']), 'U' ),\r\n\r\n                'type'          =\u003e  1,\r\n                'photo'         =\u003e  ((@$item['photo']['file'] != \"\") ? 1 : 0),\r\n                'author'        =\u003e  $item['author'],\r\n\r\n                'districts_all' =\u003e  $item['districts_all'],\r\n            ];\r\n\r\n            $status = SBSearch::rt_ReplaceIndex($sphinx_target_index, $dataset);\r\n```\r\n\r\nHow to add MVA attribute 'rubrics' and 'districts'? \r\nThis fields described as \r\n```\r\nrt_attr_multi\t\t\t= rubrics\r\nrt_attr_multi\t\t\t= districts\r\n```\r\n\r\nEasy:\r\n```\r\n'rubrics'       =\u003e  array_keys($item['rubrics']),\r\n'districts'     =\u003e  array_keys($item['districts'])\r\n```\r\nJust send to dataset field *ARRAY* of values. \r\n","author":{"url":"https://github.com/KarelWintersky","@type":"Person","name":"KarelWintersky"},"datePublished":"2019-06-20T12:16:50.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/178/SphinxQL-Query-Builder/issues/178"}