Adsense Code within Content

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There are plenty of WordPress plugins that manage ad placement. Here’s a couple of ideas that will insert ad code (or anything else) after a defined number of paragraphs within your post.

The first snippet of code will insert adsense or other code after the first, second or any other paragraph. I use this same code on this blog. It’ll insert an ad block within the post as you will see below.

1. Open single.php in your wordpress blog themes folder.
2. search for the code: <?php the_content(); ?>
3. Replace the above code with the following:

<?php
$paragraphAfter= 1; // display after the number paragraph
$content = apply_filters('the_content', get_the_content());
$content = explode("</p>", $content);
for ($i = 0; $i <count($content); $i  ) {
if ($i == $paragraphAfter) { ?>
<div>
Your add code here
</div>
<?php
}
echo $content[$i] . "</p>";
} ?>

Replace Your add code here with whatever content it is that you want to display. Replace the value in $paragraphAfter= 1 with the paragraph number it is that you want to display your content.

Ruud Hein has written a nice little hack that will insert code after the n’th paragraph. It comes as a plugin so you won’t have to update code as you upgrade WordPress.

<?php
/*
Plugin Name: Adsense in Content
Description: Insert an add after the Xth paragraph. Configure in the plugin file.
Version: 1.1
Author: Ruud Hein
*/

add_filter('the_content', 'article_ad');

function article_ad($post_content) {
   global $wp_query, $post;

   if (!is_single() ) return $post_content;

   // After which line number to insert the ad
   $afterParagraph = 1;

   // Adsense code
   $adsense = 'Adsense code in here';

   // $matches is an array of paragraph number and [1] character length
   preg_match_all('/(?:\r\n|\r|\n)/', $post_content, $matches, PREG_OFFSET_CAPTURE );
   $insert_at = $matches[0][$afterParagraph][1];
   return substr($post_content,0,$insert_at). $adsense . substr($post_content,$insert_at,strlen($post_content));
}
?>

It’s not the easiest plugin to use and its use is rather unpredictable. It uses line breaks as markers (the times you hit enter in your content) so is prone to all kinds of errors.

I’ve just sent out an email to the mailing list with a link to a small pack containing code that will assist you in displaying code in various ways on your page; such as having it placed so text wraps around it. I’ll be making this code available for general download shortly.

You can download the plugin below.

First Name: Your Email Address:

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