Create a PHP Form with 2 fields Name and Hobbies

Description: Create a PHP form with 2 fields: Name and Hobbies. After the submit, show the name and the selected hobbies.

Rules and hints:

• Name: a text input.
• Hobbies: checkboxes with these options: Singing, Reading, Dancing, Travelling and Drawing.
• The user can select more than one hobby.

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PHP program with a form and hobbies

<?php
$message = "";

if ($_SERVER["REQUEST_METHOD"] === "POST") {
    $name = trim($_POST["name"] ?? "");
    $hobbies = $_POST["hobbies"] ?? [];

    if ($name === "") {
        $message = "Please enter your name.";
    } elseif (empty($hobbies)) {
        $message = "Please select at least one hobby.";
    } else {
        $message = "The hobbies of " . htmlspecialchars($name) . " are: " . htmlspecialchars(implode(", ", $hobbies));
    }
}
?>
<form method="post">
    Name: <input type="text" name="name"><br><br>

    Hobbies:<br>
    <input type="checkbox" name="hobbies[]" value="Singing"> Singing
    <input type="checkbox" name="hobbies[]" value="Reading"> Reading
    <input type="checkbox" name="hobbies[]" value="Dancing"> Dancing
    <input type="checkbox" name="hobbies[]" value="Travelling"> Travelling
    <input type="checkbox" name="hobbies[]" value="Drawing"> Drawing<br><br>

    <button type="submit">Submit</button>
</form>

<p><?php echo $message; ?></p>

Output:

How it works

• The checkboxes have the same name hobbies[], so PHP collects all the checked values in an array.
• implode() joins the array values with commas.
• The form and the PHP code are in the same file, and the code runs only after the form is submitted (POST).
• htmlspecialchars() keeps the output safe.

Related: PHP Forms Handling.

• Previous Exercise

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