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<?php $json = '{ "host1": [ { "vmnic_name": "vmnic0", "switch_name": "switch1", "port_id": "GigabitEthernet1\/0\/1" }, { "vmnic_name": "vmnic1", "switch_name": "switch1", "port_id": "GigabitEthernet1\/0\/2" } ], "host2": { "2": { "vmnic_name": "vmnic0", "switch_name": "switch1", "port_id": "GigabitEthernet1\/0\/3" }, "3": { "vmnic_name": "vmnic1", "switch_name": "switch1", "port_id": "GigabitEthernet1\/0\/4" } } }'; $array = json_decode($json, true); $x = []; $x['host_name'] = $array; var_dump(json_encode($x, JSON_PRETTY_PRINT));

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