if (isset($_POST['suble'])) {
		$username = htmlspecialchars(trim(strtolower($_POST['user_username'])));
		$name = htmlspecialchars(trim($_POST['user_name']));
		$lastname = htmlspecialchars(trim($_POST['user_lastname']));
		$password = htmlspecialchars(md5(trim($_POST['user_password'])));

		if (!$username || !$name || !$lastname || !$password) {
			header("Location:../register.php?stat=null");
		} else {

		$tableques=$db->prepare("SELECT * FROM user where user_username=:tableques");
  		$tableques->execute(array(
    		'tableques' => $_POST['user_username']
 		));
 		$dbc=$tableques->rowCount();

 		$caps = preg_match('@[A-Z]@', $_POST['user_password']);
		$small = preg_match('@[a-z]@', $_POST['user_password']);
		$number = preg_match('@[0-9]@', $_POST['user_password']);
 		$pattern ='/^[-a-zA-Z_\x{ÖÇŞİĞÜöçşğüı}\s]*$/u';
		$usernamechars = preg_match('@[^\w]@', $_POST['user_username']);

		$namenumber = preg_match('@[0-9]@', $_POST['user_name']);
		$namechars = preg_match($pattern, $_POST['user_name']);

		$lastnamenumber = preg_match('@[0-9]@', $_POST['user_lastname']);
		$lastnamechars = preg_match($pattern, $_POST['user_lastname']);

		if ($dbc == 1) {
 			header("Location:../register.php?stat=username");
 		}else if($dbc ==0){
 		if ($usernamechars) {
			header("Location:../register.php?username=no");
		}else if (!$caps || !$small || !$number || strlen($_POST['user_password']) < 8) {
			header("Location:../register.php?password=no");
		}else if ($namenumber) {
			header("Location:../register.php?name=no");
		}else if ($lastnamenumber) {
			header("Location:../register.php?lastname=no");
		}else if ($namechars || $lastnamechars) {
		$saves = $db->prepare("INSERT into user set
			user_username = :user_username,
			user_name = :user_name,
			user_lastname = :user_lastname,
			user_password = :user_password
		");

		$insert = $saves->execute(array(
			'user_username' => $username,
			'user_name' => $name,
			'user_lastname' => $lastname,
			'user_password' => $password
		));

		if ($insert)
		{
			header("Location:../login.php");
		} else {
			header("Location:../register.php?stat=no");
		}
	}
	}
}
}

<?php include 'src/header.php'; 

	if (@$_SESSION['oturum']) {
		header("Location:/");
	}

?>
	<form action="src/logreg.php" align="center" method="POST">
		<label>Kullanıcı Adı</label>
		<input type="username" name="user_username" maxlength="15" required>
		<br>
		<label>Ad</label>
		<input type="text" name="user_name" maxlength="15" required>
		<br>
		<label>Soyad</label>
		<input type="text" name="user_lastname" maxlength="10" required>
		<br>
		<label>Şifre</label>
		<input type="password" name="user_password" required>
		<br>
		<input type="submit" name="suble">
		<?php if (@$_GET['stat']=='username') { ?>
			<div class="error">
				Bu username'den var zaten
			</div>
		<?php } ?>
		<?php if (@$_GET['username']=='koyulmaz') { ?>
			<div class="error">
				Bu nasıl username
			</div>
		<?php } ?>
		<?php if (@$_GET['password']=='koyulmaz') { ?>
			<div class="error">
				Şifre en az 8 karakter uzunluğunda olmalı ve en az bir büyük harf ve bir rakam içermelidir.
			</div>
		<?php } ?>
		<?php if (@$_GET['name']=='koyulmaz') { ?>
			<div class="error">
				İsmin bu mu cidden?
			</div>
		<?php } ?>
		<?php if (@$_GET['lastname']=='koyulmaz') { ?>
			<div class="error">
				Lütfen sisteme kafanız güzel değilken kaydolun.
			</div>
		<?php } ?>
	</form>
<?php include 'src/footer.php'; ?>