<?php $a = json_decode('{"3":{"friend":45,"all":100},"2":{"friend":30,"all":50},"1":{"friend":25,"all":25}}'); $arr = array(); foreach ($a as $key => $value) { $arr[$key] = $value; } var_dump($arr); $n = '3'; var_dump($arr[$n]); var_dump($a->$n->friend);
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