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@ 2017-07-09T16:19:37Z

<?php

$a = array();

$t = microtime(true);

for ($i = 0; $i < 4000000; ++$i)
  $a[] = rand();
  

echo (microtime(true) - $t) / 1000;

Output
Performance
VLD
References
Branches

microtime: documentation ( source)
rand: documentation ( source)

preferences:dark modelive preview

27.67 ms | 402 KiB | 5 Q