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@ 2015-12-25T06:19:51Z

<?php
$json = new stdClass();
$arr = [];
$arr[0] = "abc";
$arr[1] = "aaa";
$json->$arr[0] = $arr[1];

echo json_encode($json);

Output
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json_encode: documentation ( source)

preferences:dark modelive preview

54.54 ms | 402 KiB | 5 Q