Block specific coupons during set hours

/**

 * Block specific coupons during set hours (1:00 PM - 3:00 PM)

 */

function block_coupon_during_specific_hours($valid, $coupon) {

    if (!$valid) return $valid;

    // List of coupon codes to block during specific hours

    $blocked_coupons = array(

        'YOUR_COUPON_CODE_HERE', // Replace with your specific coupon code

        // Add more coupon codes here if needed

    );

    // If the current coupon is not in our block list, return valid

    if (!in_array($coupon->get_code(), $blocked_coupons)) {

        return $valid;

    }

    // Get current time in 24-hour format

    $current_time = current_time('H:i');

    $block_start = '13:00'; // 1:00 PM

    $block_end = '15:00';   // 3:00 PM

    // Check if current time is within blocked period

    if ($current_time >= $block_start && $current_time <= $block_end) {

        throw new Exception(sprintf(

            __('Coupon code "%s" is not available between 1:00 PM and 3:00 PM.', 'woocommerce'),

            $coupon->get_code()

        ));

    }

    return $valid;

}

// Add this validation after the plugin's time availability check

add_filter('woocommerce_coupon_is_valid', 'block_coupon_during_specific_hours', 15, 2);