<?
function generateRandomString($length = 10) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= $characters[rand(0, $charactersLength - 1)];
}
return $randomString;
}
if(isset($_FILES['file']['name']))
{
do{
$path_parts =pathinfo($_FILES['file']['name']);
$filename=generateRandomString();
$filename.=".".strtolower($path_parts['extension']);
}while(file_exists("uploads/{$filename[0]}/{$filename[1]}/{$filename[2]}/".$filename));
mkdir("uploads/{$filename[0]}/{$filename[1]}/{$filename[2]}/",0755,true);
move_uploaded_file($_FILES['file']['tmp_name'],"uploads/{$filename[0]}/{$filename[1]}/{$filename[2]}/".$filename);
?>
<a href=<?="uploads/{$filename[0]}/{$filename[1]}/{$filename[2]}/".$filename?> download="<?=$_FILES['file']['name']?>">Скачать файл</a>
<?
}
?>
<form method='post' enctype='multipart/form-data'>
<input type='file' name='file'>
<input type='submit'>
</form>
