What is the issue with the textarea not retaining user input after submission in the PHP script?

The issue with the textarea not retaining user input after submission in the PHP script is likely due to the fact that the form is not handling the input correctly. To solve this issue, you can use PHP to check if there is existing input in the textarea and then populate the textarea with that input after the form is submitted. 

<?php
// Check if form is submitted
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Get the user input from the textarea
    $user_input = $_POST['user_input'];
} else {
    // If form is not submitted, set user input to empty string
    $user_input = "";
}
?>

<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
    <textarea name="user_input"><?php echo $user_input; ?></textarea>
    <input type="submit" value="Submit">
</form>

Keywords

textarea user input submission PHP script retention

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