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@ 2016-01-05T15:51:49Z

<?php
declare(strict_types=1);
$foo = new stdClass();
$foo->{"0"} = false;
$foo->{0} = true;
$foo = (array)$foo;

echo json_encode($foo); // {"0":false,"0":true}

Output
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json_encode: documentation ( source)

preferences:dark modelive preview

47.79 ms | 402 KiB | 5 Q