<?php function getFileSize($file_name){
$K = 1024;
$M = 1024*$K;
$G = 1024*$M;
$file_size = filesize($file_name);
if($file_size>$G){
$file_size = ($file_size / $G)." G";
}elseif($file_size>$M){
$file_size = ($file_size / $M) ." M";
}elseif($file_size > $K){
$file_size = ($file_size /$K). " K";
}else{
$file_size = $file_size. " byte";
}
return $file_size;
}
echo getFileSize("new_file.html");
?> <div class="clear"></div>
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