sass


function prefix_insert_after_paragraph2( $ads, $content ) {
    if ( ! is_array( $ads ) ) {
        return $content;
    }

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

    foreach ($paragraphs as $index => $paragraph) {
        if ( trim( $paragraph ) ) {
            $paragraphs[$index] .= $closing_p;
        }

        $n = $index + 1;
        if ( isset( $ads[ $n ] ) ) {
            $paragraphs[$index] .= $ads[ $n ];
        }
    }

    return implode( '', $paragraphs );
}

add_filter( 'the_content', 'prefix_insert_post_ads' );
function prefix_insert_post_ads( $content ) {
   if (function_exists('is_amp_endpoint') && is_amp_endpoint() ) {
        $content = prefix_insert_after_paragraph2( array(
            // The format is: '{PARAGRAPH_NUMBER}' => 'AD_CODE',
            '10' => '<div><amp-ad  width=336 height=280 type="adsense" data-ad-client="ca-pub-5013652080922767" data-ad-slot="3722030150"> </amp-ad></div>',
            '40' => '<div><amp-ad  width=336 height=280 type="adsense" data-ad-client="ca-pub-5013652080922767" data-ad-slot="8479941938"> </amp-ad></div>',
        ), $content );
    }
    
 if ( is_single() && ! is_admin() ) {
        $content = prefix_insert_after_paragraph2( array(
            // The format is: '{PARAGRAPH_NUMBER}' => 'AD_CODE',
           
            '12' => '<div class="quangcaoads"><script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
<ins class="adsbygoogle"
     style="display:block; text-align:center;"
     data-ad-layout="in-article"
     data-ad-format="fluid"
     data-ad-client="ca-pub-5013652080922767"
     data-ad-slot="3722030150"></ins>
<script>
     (adsbygoogle = window.adsbygoogle || []).push({});
</script></div>',
            '50' => '<div class="quangcaoads"><script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
<ins class="adsbygoogle"
     style="display:block; text-align:center;"
     data-ad-layout="in-article"
     data-ad-format="fluid"
     data-ad-client="ca-pub-5013652080922767"
     data-ad-slot="8479941938"></ins>
<script>
     (adsbygoogle = window.adsbygoogle || []).push({});
</script></div>',
        ), $content );
    }

    return $content;
}