Gravity Forms Custom Validation ( bot check )

add_filter('gform_field_validation', function($result, $value, $form, $field) {
    // The field title to check
    $target_field_title = 'bot check';

    // Check if the field's title matches
    if (strtolower($field->label) === strtolower($target_field_title)) {
        // Get the current website URL and remove the protocol
        $website_url = preg_replace('#^https?://#', '', get_site_url());

        // Construct the expected value
        $expected_value = $website_url . ' ready';

        // Check if the submitted value matches the expected value
        if (trim($value) !== $expected_value) {
            // Set the validation to false with a custom error message
            $result['is_valid'] = false;
            $result['message'] = "Bot check failed";
        }
    }

    return $result;
}, 10, 4);



add_action('wp_footer', function() {
    ?>
    <script>
    jQuery(document).ready(function($) {
        <?php if (!current_user_can('administrator')) : ?>
        // Hide "bot check" field immediately for non-admin users
        $('.gfield_label').each(function() {
            if ($(this).text().trim().toLowerCase() === 'bot check') {
                // Hide the field container
                $(this).closest('.gfield').css('display', 'none');
            }
        });
        <?php endif; ?>

        // Wait 5 seconds and inject the URL and "ready" text into the field
        setTimeout(function() {
            // Get the website URL without protocol
            var siteURL = window.location.hostname;

            // Construct the value to inject
            var injectedValue = siteURL + " ready";

            // Loop through Gravity Form fields to find the one with the title "bot check"
            $('.gfield_label').each(function() {
                if ($(this).text().trim().toLowerCase() === 'bot check') {
                    // Find the corresponding input field and set the value
                    $(this).closest('.gfield').find('input').val(injectedValue);
                }
            });
        }, 5000); // Wait 5 seconds (5000ms)
    });
    </script>
    <?php
});