How can PHP cookies be utilized to implement a one-click restriction on a button?

To implement a one-click restriction on a button using PHP cookies, you can set a cookie when the button is clicked and check for the presence of that cookie before allowing the button to be clicked again. This way, the button can only be clicked once until the cookie expires or is cleared. 

<?php
// Check if the cookie is set
if (!isset($_COOKIE['button_clicked'])) {
    // Button has not been clicked yet, allow the action
    // Set a cookie to restrict further clicks
    setcookie('button_clicked', 'true', time() + 3600); // Cookie expires in 1 hour
    // Implement the action to be performed when the button is clicked
} else {
    // Button has already been clicked, restrict the action
    echo 'Button can only be clicked once.';
}
?>

Keywords

PHP cookies one-click restriction button implementation

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