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@ 2019-09-12T14:50:24Z

<?php
$data = [1 => true];
next($data);
var_dump(key($data));
$data[0] = true;
var_dump(key($data));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
key: documentation ( source)
next: documentation ( source)

preferences:dark modelive previewkey bindings

58.33 ms | 2552 KiB | 5 Q