Function for calculating and formating a file size in bytes to human readble format

By : kingtech

<?php
function get_filesize ($dsize) {
if (strlen($dsize) <= 9 && strlen($dsize) >= 7) {
$dsize = number_format($dsize / 1048576,1);
return "$dsize MB";
} elseif (strlen($dsize) >= 10) {
$dsize = number_format($dsize / 1073741824,1);
return "$dsize GB";
} else {
$dsize = number_format($dsize / 1024,1);
return "$dsize KB";
}
}
?>

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