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<?php $arr = json_decode(' { "results": [ { "url": "https:1783.json", "id": 1783, "created_at": "2019-08-29T13:52:47Z", "status": "open", "recipient": null }, { "url": "https:1781.json", "id": 1781, "created_at": "2019-08-29T10:21:57Z", "status": "open", "recipient": null } ] } ', true); echo count(array_filter($arr['results'], function ($val) {return $val['status'] == 'open';}));
Output for 7.1.0 - 7.1.33, 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 - 8.3.25, 8.4.1 - 8.4.12
2

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