<?php

function custom_social_sharing_buttons($content)
{
    if (is_single()) {
        $social_buttons = '
        <div class="social-sharing">
            <div class="social-button facebook">
                <a href="https://www.facebook.com/sharer/sharer.php?u=' . urlencode(get_permalink()) . '" target="_blank">
                    Share on Facebook
                </a>
            </div>
            <div class="social-button twitter">
                <a href="https://twitter.com/intent/tweet?text=Check%20out%20this%20awesome%20website:%20' . urlencode(get_permalink()) . '" target="_blank">
                    Tweet on Twitter
                </a>
            </div>
            <div class="social-button pinterest">
                <a href="https://www.pinterest.com/pin/create/button/?url=' . urlencode(get_permalink()) . '&media=' . urlencode('https://your-website.com/your-image.jpg') . '&description=' . urlencode('Check out this awesome content on my website!') . '" target="_blank">
                    Pin on Pinterest
                </a>
            </div>
            <div class="social-button whatsapp">
                <a href="whatsapp://send?text=' . rawurlencode(get_the_title() . ' - ' . get_permalink()) . '" data-action="share/whatsapp/share">
                    Share on WhatsApp
                </a>
            </div>
        </div>';

        $content = preg_replace('/<div class="fb-share-button"[^>]*>.*?<\/div>/', '', $content);
        $content = preg_replace('/<a class="twitter-share-button"[^>]*>.*?<\/a>/', '', $content);
        $content = preg_replace('/<a class="whatsapp-button"[^>]*>.*?<\/a>/', '', $content);

        $content .= $social_buttons;
    }
    return $content;
}


add_filter('the_content', 'custom_social_sharing_buttons');