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@ 2021-10-19T01:46:35Z

<?php

$t=microtime(TRUE)+0.5;
usleep(1000000 * ($t - microtime(TRUE)));
usleep(1000000 * (int)($t - microtime(TRUE)));

Output
Performance
VLD
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Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.24, 8.0.0 - 8.0.11

preferences:dark modelive previewkey bindings

48.11 ms | 406 KiB | 5 Q