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Editorial Team
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Asked: 2026-05-13T17:48:57+00:00

Here’s my code: <html> <head> <?php function getValue($field){ if(isset($_GET[$field])){ return $_GET[$field]; } else{ return

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Here’s my code:

<html>
<head>
    <?php
    function getValue($field){
        if(isset($_GET[$field])){
            return $_GET[$field];
        }
        else{
            return "";
        }
    }

    ?>
</head>

<body>
    <form action="class2.php" method="get">
        <dl>
            <dt>First Name:</dt>
            <dd><input type="text" value="<?php echo htmlspecialchars(getValue($_GET['name'])) ?>" name="name" />                    
            </dd>                

            <dt>Last Name:</dt>
            <dd><input type="text" value="<?php echo htmlspecialchars(getValue($_GET['lastname'])) ?>" name="lastname" />                    
            </dd>

            <br />                
            <dt>
                <input type="submit" value="enviar" />
            </dt>                
        </dl>
    </form>
</body>

If I write a value in Name and nothing in LastName, the value in Name SHOULD stay there, right? What am I doing wrong?

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1 Answer

  1. Editorial Team

    Your problem is that you are using

    getValue($_GET['name'])

    instead of

    getValue( 'name' )

    You are calling getValue() with the contents of $_GET['name'] right now

    Also:
    Your getValue function doesn’t make much sense right now. Why not build in htmlspecialchars() into it directly instead of applying it to its return value?

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