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@ 2021-12-12T17:50:33Z

<?php

function fm_get_filesize($size)
{
    $size = (float) $size;
    $units = array('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
    $power = $size > 0 ? floor(log($size, 1024)) : 0;
    return sprintf('%s %s', round($size / pow(1024, $power), 2), $units[$power]);
}

for ($i = 0; $i < 100; $i++) {
    echo fm_get_filesize(pow('102'.rand(4, 100), $i))."\n";
}

Output
Performance
VLD
References
Branches

round: documentation ( source)
floor: documentation ( source)
log: documentation ( source)
pow: documentation ( source)
rand: documentation ( source)
sprintf: documentation ( source)

preferences:dark modelive preview

44.33 ms | 409 KiB | 5 Q