File size

gistfile1.php

<?php

/**
 * Convert file size in bytes to nice (human-readable) format.
 * This snippet shows you how to convert file size in bytes to nice (human-readable) format in PHP.
 * If the size is less than 1 MB, show the size in KB, if it's between 1 MB - 1 GB show it in MB, etc.
 */
function sizeForHuman(int $value, int $decimal = 0): string
{
    $units = ['', 'K', 'M', 'B', 'T'];
    // $units = ['B', 'KB', 'MB', 'GB', 'TB'];
    $power = $value > 0 ? floor(log($value, 1024)) : 0;

    return number_format($value / (1024 ** $power), $decimal) . $units[$power];
}