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<?php
//* Do NOT include the opening php tag shown above. Copy the code shown below.

function ads_added_above_last_p($text) {
    if( is_single() ) :
        $ads_text = '<div class="a" style="text-align: center;">[PUT SHORTCODE HERE]</div>';
    if($pos1 = strpos($text, '<p>', strpos($text, '<p>') + 3)){
            $text1 = substr($text, 0, $pos1);
            $text2 = substr($text, $pos1);
            $text = $text1 . $ads_text . $text2;
        }
    endif;
    return $text;
    }
add_filter('the_content', 'ads_added_above_last_p');```

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