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<?php $json = ' [ { "id": "11", "from_userid": "1996", "contest_id": "29", "to_userid": "8", "vote_date": "2020-10-06 01:40:04", "count_votes": "1" }, { "id": "1", "from_userid": "82", "contest_id": "29", "to_userid": "94", "vote_date": "2020-09-03 07:06:36", "count_votes": "1" }, { "id": "2", "from_userid": "82", "contest_id": "29", "to_userid": "98", "vote_date": "2020-09-03 07:06:36", "count_votes": "0" } ]'; $arr = json_decode($json, true); $max = max(array_column($arr, 'count_votes')); $out = array_filter($arr, function ($o) use ($max) { return $o['count_votes'] == $max; }); print_r($out);
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Array ( [0] => Array ( [id] => 11 [from_userid] => 1996 [contest_id] => 29 [to_userid] => 8 [vote_date] => 2020-10-06 01:40:04 [count_votes] => 1 ) [1] => Array ( [id] => 1 [from_userid] => 82 [contest_id] => 29 [to_userid] => 94 [vote_date] => 2020-09-03 07:06:36 [count_votes] => 1 ) )

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