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Useful scripts and PHP features that are collected during application development

How to format file size

function formatBytes($size, $precision = 2)
{
$base = log($size, 1024);
$suffixes = array('', 'K', 'M', 'G', 'T');

return round(pow(1024, $base - floor($base)), $precision) .' '. $suffixes[floor($base)];
}

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How to format MAC Address

function AddSeparator($mac, $separator = ':')
{
$result2 = '';
while (strlen($mac) > 0)
{
$sub = substr($mac, 0, 2);
$result2 .= $sub . $separator;
$mac = substr($mac, 2, strlen($mac));
}

// remove trailing colon
$result2 = substr($result2, 0, strlen($result2) - 1);
return $result2;
}

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