نمایش تبلیغات در نوشته های وردپرس بدون نصب افزونه

//Insert an ad after the fourth paragraph in the content.
function insert_ad_after_fourth_paragraph($content) {
    if (is_single() && is_main_query()) {
        $paragraphs = explode('</p>', $content);
        if (count($paragraphs) > 4) {
            $insert_index = find_insert_position($paragraphs);
            $ad = generate_ad_html();
            $paragraphs[$insert_index] .= $ad;
        }
        $content = implode('</p>', $paragraphs);
    }
    return $content;
}
function find_insert_position($paragraphs) {
    for ($i = 3; $i < count($paragraphs); $i++) {
        if (strpos($paragraphs[$i], '<blockquote') === false) {
            return $i;
        }
    }
    return 3; 
}
function generate_ad_html() {
    return '<p id="adBanner">
                <button onclick="this.parentElement.style.display=\'none\'">×</button>
                <span class="ad-text">✨آموزش های خاص وردپرس و المنتور رو در رایــا وردپــرس دنبال کنید✨ 
                    <a href="https://rayawp.ir" id="adButton" onmouseover="this.innerHTML=\'بزن بریم\'" onmouseout="this.innerHTML=\'کلیک کن\'">کلیک کن</a>
                </span>
                <span id="adLabel" class="ad-label">AD</span>
            </p>';
}
add_filter('the_content', 'insert_ad_after_fourth_paragraph');
function enqueue_ad_styles() {
    wp_enqueue_style('ad-banner-style', get_stylesheet_directory_uri() . '/style.css');
}
add_action('wp_enqueue_scripts', 'enqueue_ad_styles');

#adBanner {
    background: rgba(0, 0, 0, 0.6);
    background-image: linear-gradient(135deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 50, 0.6));
    padding: 5px 0;
    margin-top: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    text-align: center;
    color: #ffffff;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#adBanner button {
    border-radius: 50px 0 0 50px;
    background-color: #ffffff;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: #f00;
}

#adButton {
    padding: 2px 8px;
    background-color: #ffffff;
    border-radius: 8px;
    color: black;
    font-weight: bold;
    text-decoration: none;
}

#adButton:hover {
    color: black;
}

#adLabel {
    padding: 0 5px;
    background-color: #ffffff;
    border-radius: 8px;
    color: #020202;
    margin-left: 20px;
}

#adBanner span {
    font-size: 17px;
}

function insert_ad_after_third_paragraph($content) {
    if (is_single() && !is_admin()) {
        $ad_code = '
            <div class="Raya_ad_box">
                <div class="ad-image-container">
                    <img src="https://www.technolife.ir/image/banner_SingleFullWidthBanner_vCNXKK_db2c44e6-339b-4011-9336-67a2a0ef59ee.gif" alt="تبلیغ">
                    <span class="ad-label">AD</span>
                    <a href="https://rayawp.ir" class="ad-button">کلیک کن</a>
                </div>
            </div>';

        $closing_p = '</p>';
        $paragraphs = explode($closing_p, $content);

        if (count($paragraphs) < 3) {
            return $content;
        }

        $new_content = '';
        foreach ($paragraphs as $index => $paragraph) {
            if (trim($paragraph)) {
                $new_content .= $paragraph . $closing_p;
            }
            if ($index == 2) {
                $new_content .= $ad_code;
            }
        }
        return $new_content;
    }
    return $content;
}
add_filter('the_content', 'insert_ad_after_third_paragraph');

.Raya_ad_box {
    height: auto;
    overflow: hidden;
    border-radius: 6px;
    position: relative;
    margin: 20px 0;
}

.ad-image-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.ad-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.ad-label {
    position: absolute;
    top: 0;
    right: 0;
    background: #e1e1e1;
    color: #333;
    font-size: 12px;
    padding: 5px 10px;
    border-bottom-left-radius: 6px;
    box-shadow: -2px 2px 5px rgba(0, 0, 0, 0.2);
}

.ad-button {
    position: absolute;
    bottom: 0;
    left: 0;
    background-color: #ff0000;
    color: #fff;
    padding: 5px 10px;
    font-size: 12px;
    border: none;
    border-top-right-radius: 6px;
    box-shadow: 2px -2px 5px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.ad-button:hover {
    background-color: #cc0000;
}