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<?php $json = '[{"NO":"1","ID_OBJECT":"A045"},{"NO":"2","ID_OBJECT":"A049"}]'; $arr = json_decode($json, true); array_unshift($arr , [ "NO" => "NULL", "ID_OBJECT" => "NULL" ]); $json = json_encode($arr); echo $json;
Output for git.master, git.master_jit, rfc.property-hooks
[{"NO":"NULL","ID_OBJECT":"NULL"},{"NO":"1","ID_OBJECT":"A045"},{"NO":"2","ID_OBJECT":"A049"}]

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