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dartiss/functions.php

Last active November 15, 2017 16:18
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Highlight Old WordPress Posts
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functions.php
<?php
function old_post_message( $content ) {
if ( get_the_time( 'U' ) < strtotime( '1st January 2013' ) ) {
$content = '<div class="alert alert-info alert-dismissible"><button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>Due to updates, over time, that have been made to the site and the age of this article, this post may not display correctly. In particular images may be missing or product reviews display incorrectly.</div>' . $content;
}
return $content;
}
add_filter( 'the_content', 'old_post_message' );
?>
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dartiss commented Nov 15, 2017

There are lots of plugins that will add a message to your posts when they're greater than a specific age (say, 2 years) but that isn't what I wanted - after switching themes and generally rebuilding this site a lot of images were broken, etc. I went through the posts, fixing them, until a specific age - I therefore wanted to highlight any post before a fixed date (i.e. where I'd got to). This, simple piece of code, does this.

Add to your theme's functions.php and, obviously, change the message and date to taste.

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