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@ 2020-03-23T11:11:49Z

<?php

$array = [];

for ($i = 0, $j = 100; $i < $j; ++$i) {
    $array[] = new DateTimeImmutable();
}

$t1 = microtime(true);
for ($i = 0; $i < 100; ++$i) {
     function () use (&$array) {
    };
}

$t3 = microtime(true);

echo (1000000 * ($t3 - $t1)) . "\n\n";

Output
Performance
VLD
References
Branches

microtime: documentation ( source)

preferences:dark modelive previewkey bindings

23.76 ms | 404 KiB | 5 Q