ALTER TABLE `users`ADD`balans` INT(11) NOT NULL;

$matn = "uzfor";
echo $matn[0];
// u

$matn = $user['name'];
echo $matn[0];
// Tahallusning 1-harfi

if ($tf == 'avi' or $tf == 'mp4' or $tf == '3gp') { 
echo 'video ko`rish funksiasi';
}

if ($tf == 'mp3' or $tf == 'amr' or $tf == 'waw') { 
echo 'musiqani tinglash funksiasi';
}