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@ 2016-07-13T15:49:09Z

<?php

$array = (array) json_decode('{"1":1,"2":1}');

var_dump($array);

var_dump(array_key_exists(1, $array));

var_dump(array_key_exists("1", $array));

foreach ($array as $k => $v) {
    var_dump($k, $v);
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
json_decode: documentation ( source)

preferences:dark modelive preview

40.12 ms | 402 KiB | 5 Q