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@ 2017-07-11T11:09:17Z

<?php

$startMemory = memory_get_usage();
$array = range(1, 100000);
echo memory_get_usage() - $startMemory, " bytes\n";

$startMemory = memory_get_usage();
foreach (range(1, 100000) as $i) {
    $array["test$i"] = $i;
};
echo memory_get_usage() - $startMemory, " bytes\n";

Output
Performance
VLD
References
Branches

memory_get_usage: documentation ( source)
range: documentation ( source)

preferences:dark modelive preview

24.09 ms | 402 KiB | 5 Q