How can PHP arrays be utilized to pass multiple form data for processing?

When processing multiple form data in PHP, arrays can be utilized to group related form inputs together. This allows you to efficiently handle and manipulate the data as needed during processing. By naming form inputs with square brackets in the HTML form, PHP can automatically create arrays with the submitted data. 

<form method="post" action="process.php">
    <input type="text" name="username[]" />
    <input type="text" name="email[]" />
    <input type="text" name="password[]" />
    <input type="text" name="username[]" />
    <input type="text" name="email[]" />
    <input type="text" name="password[]" />
    <button type="submit">Submit</button>
</form>

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $usernames = $_POST['username'];
    $emails = $_POST['email'];
    $passwords = $_POST['password'];

    // Process the form data as needed
}
?>

Keywords

PHP arrays form data processing multidimensional arrays data manipulation

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