Created
January 12, 2014 20:54
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Resize photos for email/RSS feed
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<?php | |
/** | |
* Filters images for RSS feed--makes thumbs go through large; large images resize down to MailChimp friendly width. | |
* Add this to your functions.php file WITHOUT the opening php | |
* | |
* Author: Erik Teichmann, minor tweaks by Robin Cornett | |
* Author URI: http://www.eriktdesign.com/ | |
*/ | |
// Add filters for RSS | |
add_filter('the_excerpt_rss', 'et_change_thumbs', 20); // changes the excerpt for rss | |
add_filter('the_content', 'et_change_thumbs', 20); // changes the content | |
function et_change_thumbs($content) { | |
// See if we're dealing with a feed | |
if ( is_feed() ) { // if you're on an RSS feed, do this. | |
// Strip out the parts of img src that lead to thumbnails | |
$content = str_replace("-150x150", "", $content); // looks for thumbail file names to replace with original file name. If your thumbnail settings are different, change this. | |
$content = str_replace("width=\"150\"", "", $content); // default thumbnail width. Change if needed. | |
$content = str_replace("height=\"150\"", "", $content); // default thumbnail height. Change if needed. | |
$content = str_replace("class=\"attachment-thumbnail\"", "style=\"max-width:560px\"", $content); // looks for thumbnail class, resizes to 560px, a MailChimp friendly size (factoring in email on margin) | |
$content = str_replace("width=\"700\"", "style=\"max-width:560px\"", $content); // replaces 700px wide images and makes them smaller. replace 700 with your image size. | |
} | |
// Send the content on its way | |
return $content; | |
} |
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