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Convert image size to kB / MB / GB
<?php
function formatSizeUnits($bytes) {
if ($bytes >= 1073741824) {
$bytes = number_format($bytes / 1073741824, 2) . ' GB';
} elseif ($bytes >= 1048576) {
$bytes = number_format($bytes / 1048576, 2) . ' MB';
} elseif ($bytes >= 1024) {
$bytes = number_format($bytes / 1024, 2) . ' KB';
} elseif ($bytes > 1) {
$bytes = $bytes . ' bytes';
} elseif ($bytes == 1) {
$bytes = $bytes . ' byte';
} else {
$bytes = '0 bytes';
}
return $bytes;
}
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