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Create But2.php

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  1. But2.php +22 -0
But2.php ADDED
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+ <?php
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+ // Establish a database connection (Assuming you have already connected to your database)
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+
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+ // Assuming the username is obtained from a form submission
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+ $username = $_POST['username']; // Replace this with your actual way of obtaining the username
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+
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+ // Perform the query to check if the user with the given username has a non-null mean
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+ $query = "SELECT username, mean FROM users WHERE username = '$username' AND mean IS NOT NULL";
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+ $result = mysqli_query($connection, $query); // Assuming you are using mysqli
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+
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+ // Check if the query returned any rows
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+ if (mysqli_num_rows($result) > 0) {
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+ // User with non-null mean found
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+ header('Location: a.html'); // Redirect to a.html if mean is not null
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+ } else {
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+ // User not found or mean is null
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+ header('Location: b.html'); // Redirect to b.html if mean is null or user not found
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+ }
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+
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+ // Close the database connection
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+ mysqli_close($connection); // Assuming you are using mysqli
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+ ?>