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Remove and Prevent Revisions in Wordpress

June 17, 2009

I recently noticed that a particular post had built up about 10 or 15 revisions for it. I started thinking that of all the posts I have, there have to be quite a few revisions and therefore are creating a hefty sized table in my database. This was run on my WP 2.8, but should work for 2.6 and up.

Here is a solution to prevent revisions from being created, as well as removing all revisions from your database.

Prevent Revision Creation

Open wp-config.php and add this to the very bottom of the file, before the php closing tag.

define('WP_POST_REVISIONS', false);

This completely turns off any revision creation. If you’d like to restrict revision creation to a set amount per post, you can change ‘false’ for the number of revisions you’d like stored.

Remove All Revisions From Database

Open up your database in phpmyadmin and run this SQL Query.

DELETE FROM wp_posts WHERE post_type = "revision";

And now you’ll have a more tidy database.

1

Web Design Tricks

January 28, 2009

Here is a round up of some very useful tricks and snippets for web designers.

15

Comment Design For Wordpress 2.7

January 14, 2009

If you’re a Wordpress theme developer, I’m sure you’ve run into the problem of styling, and altering comments in your theme. Now that comments are called through a loop to allow for the much anticipated threaded comments feature, we’ll have to make use of our function file to style the comments.

If you’re like most every other developer, the first thing you want to get rid of is the “says” that follows the authors name. Now we can do it, without having to set the CSS to display none.

01. In your theme directory, open up functions.php. If you don’t have this file, go ahead and create one.

02. Let’s create the function ‘mytheme_comment‘ and paste it into our functions.php file.

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<?php
function mytheme_comment($comment, $args, $depth) {
   $GLOBALS['comment'] = $comment; ?>
   <li <?php comment_class(); ?> id="li-comment-<?php comment_ID() ?>">
     <div id="comment-<?php comment_ID(); ?>">
      <div class="comment-author vcard">
         <?php echo get_avatar($comment,$size='48',$default='<path_to_url>' ); ?>
         <?php printf(__('<cite class="fn">%s</cite> <span class="says">says:</span>'), get_comment_author_link()) ?>
      </div>
      <?php if ($comment->comment_approved == '0') : ?>
         <em><?php _e('Your comment is awaiting moderation.') ?></em>
         <br />
      <?php endif; ?>
      <div class="comment-meta commentmetadata"><a href="<?php echo htmlspecialchars( get_comment_link( $comment->comment_ID ) ) ?>"><?php printf(__('%1$s at %2$s'), get_comment_date(),  get_comment_time()) ?></a><?php edit_comment_link(__('(Edit)'),'  ','') ?></div>
      <?php comment_text() ?>
      <div class="reply">
         <?php comment_reply_link(array_merge( $args, array('depth' => $depth, 'max_depth' => $args['max_depth']))) ?>
      </div>
     </div>
<?php
        }
?>

Looking at this code, you can see exactly what you want to do to style your comments accordingly. After you’re happy with how you want it, the next step is to create the callback from our ‘wp_list_comments’ in the comments.php file.

03. Open up comments.php in your theme directory, and search for wp_list_comments. Control + F should make short work of that.

The default theme has this exact call:

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<?php wp_list_comments(); ?>

So we’ll just use the function name that we created in step 2 (mytheme_comment), and call it as a variable:

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<?php wp_list_comments('callback=mytheme_comment'); ?>

And now, we’ll see the styling reflected in our comments!

Separate Comments From Trackbacks

And for another good tip, you should separate your comments from your trackbacks. It’s just good manners.

In your comments.php file you can create two lists, and call the loop twice. Only for each loop, you can specify which type of comment/trackback is called. Example:

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	<h3 class="comment_title">Comments</h3>
		<ol class="commentlist">
            <?php wp_list_comments('type=comment&callback=mytheme_comment'); ?>      
		</ol>
 
	<h3 class="trackback_title">Trackbacks</h3>
		<ol id="pings" class="trackback">
			<?php wp_list_comments('type=pings'); ?>
		</ol>

For some complete code, and even some jQuery for a toggle hide switch on the trackbacks, be sure to read the article by Curtis Henson.

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I Broke Up With #

January 5, 2009

And I’ve been steady with javascript:; ever since.

Ever since I’ve become friends with jQuery, I’ve found that using # inside an anchor href has become occasionally overly jealous and sometimes outright psychotic. After these past incidences, which usually fall in line with using fun stuff like localScroll and scrollTo, I’ve decided to tell # to # sand, and strictly go with javascript:; inside my href.

As # works as an anchor reference point, for the top of your page, you can imagine it may get in the way of content sliders and other plugins and scripts that make use of a #’d href.

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Adding TimThumb To Your WordPress Theme

June 27, 2008

TimThumb PHP Script is a custom image-sizing script, that allows you to produce a cropped and sized version of an image. These are great to use along with a Wordpress Magazine Theme. TimThumb has recently been released as open source, and here I will walk you through adding TimThumb to your Wordpress theme. (more…)

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