<?php $mem[2]["start"] = (memory_get_peak_usage(true)/1024/1024); $arr = [ "c" => [ "d" ], "d" => [], ]; $arr["d"] = $arr["c"]; $mem[2]["end"] = (memory_get_peak_usage(true)/1024/1024); var_dump($arr); var_dump($mem);
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