How can one access and display the variable names instead of the values passed through a form in PHP?

To access and display the variable names instead of the values passed through a form in PHP, you can use the `array_keys()` function to extract the keys (variable names) from the `$_POST` or `$_GET` superglobal arrays. You can then loop through these keys to display them on the webpage. 

<?php
// Display variable names instead of values passed through a form
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $variableNames = array_keys($_POST);
    
    foreach ($variableNames as $name) {
        echo $name . "<br>";
    }
}
?>

<!-- Sample HTML form -->
<form method="post">
    <input type="text" name="username">
    <input type="email" name="email">
    <input type="submit" value="Submit">
</form>

Keywords

PHP form variable names access display

Related Questions