staram sie znalezc ten niepotrzebny apostrof i poprawiam zapytanie ale wciaz to samo :/
<?php
if(isset($_POST['submit']) && $_POST['submit'] == "Uaktualnij") { $query_update= "update user_info set email_ui='". $_POST['email_ui']."',".
"weight_ui='". $_POST['weight_ui']."',"."height_ui='". $_POST['height_ui']."',".
"y_birt_ui='". $_POST['y_birt_ui']."'". "where username_ui='".$_SESSION['user_logged'].
"and passwd_ui=(PASSWORD('".$_SESSION['user_password']."'))";
$query="select * from user_info where username_ui='" .$_SESSION['user_logged']."'".
"and passwd_ui=(PASSWORD('". $_SESSION['user_password']."'))";
?>
<b>Dane profilu zostały uaktualnione</b><br>
<a href="user_personal.php">Kliknij,</a>aby powrócić do swojego konta.
<form action="update_account.php" method="post">
Adres email:<input type="text" name="email_ui" value="
<?php echo $row['email_ui']; ?>"><br>
Waga[kg]:<input type="text" name="weight_ui" value="
<?php echo $row['weight_ui']; ?>"><br>
Wzrost[cm]:<input type="text" name="height_ui" value="
<?php echo $row['height_ui']; ?>"><br>
Rok urodzenia[RRRR]:<input type="text" name="y_birt_ui" value="
<?php echo $row['y_birt_ui']; ?>"><br>
<input type="submit" name="submit" value="Uaktualnij">
<input type="button" value="Anuluj" onclick="history.go(-1);">
</form>
</p>
<?php
} else {
$query="select * from user_info where username_ui='" .$_SESSION['user_logged']."'" .
"and passwd_ui=(PASSWORD('" .$_SESSOION['user_password']."'))'";
?>