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@ 2016-01-10T12:43:34Z

<?php

echo memory_get_peak_usage(), PHP_EOL;
$a = range(1, 10000);
$a[-1] = 0;
echo memory_get_peak_usage(), PHP_EOL;

// 380824
// 874320

Output
Performance
VLD
References
Branches

memory_get_peak_usage: documentation ( source)
range: documentation ( source)

preferences:dark modelive preview

46.2 ms | 402 KiB | 5 Q