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<?php
//--------------------------------------------------------------
//--------------------------------------------------------------
//---------COPY CODE BELOW THIS LINE----------------------------
//Adding adsense ad unit inside the article
//Insert ads after every third paragraph of single post content.
add_filter( 'the_content', 'prefix_insert_post_ads' );
function prefix_insert_post_ads( $content ) {
//CHANGE BELOW ADVERT CODE WITH YOUR OWN CODE
$ad_code = '<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
<!-- inContent -->
<ins class="adsbygoogle"
style="display:block"
data-ad-client="ca-pub-xxxxxxxxxxxxxxxx"
data-ad-slot="xxxxxxxxxx"
data-ad-format="auto"
data-full-width-responsive="true"></ins>
<script>
(adsbygoogle = window.adsbygoogle || []).push({});
</script><p></p>';
if ( is_single() ) {
//CHANGE 3 TO DESIRED NUMBER YOU WANT ADVERT TO BE APPEARED
return prefix_insert_after_paragraph( $ad_code, 3, $content );
}
return $content;
}
// Parent Function that makes the magic happen
function prefix_insert_after_paragraph( $insertion, $paragraph_id, $content ) {
$closing_p = '</p>';
$paragraphs = explode( $closing_p, $content );
foreach ($paragraphs as $index => $paragraph) {
if ( trim( $paragraph ) ) {
$paragraphs[$index] .= $closing_p;
}
if ( ( ($index + 1) % $paragraph_id ) == 0 ) {
$paragraphs[$index] .= $insertion;
}
}
return implode( '', $paragraphs );
}
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