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65 lines
3.2 KiB
Markdown
65 lines
3.2 KiB
Markdown
---
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layout: post
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title: 'HowTo: Set A Custom Gravatar Image In Wordpress 2.7+'
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author: Matthias Kretschmann
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date: 2008-12-11 22:59:06+00:00
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wordpress_id: 344
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categories:
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- design
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tags:
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- tutorial
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- wordpress
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---
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Sure enough I've upgraded immediately when [Wordpress 2.7 was released](http://wordpress.org/development/2008/12/coltrane/). Among all the other things that changed in this new version the comments functions got a massive overhaul. But the [new comment loop](http://codex.wordpress.org/Migrating_Plugins_and_Themes_to_2.7/Enhanced_Comment_Display#The_Comments_Loop) with the [new function `<?php wp_list_comments(); ?>`](http://codex.wordpress.org/Template_Tags/wp_list_comments) lacks the ability to quickly set a custom default gravatar or avatar image. But with some help of the functions.php file we can set the default gravatar image in the Discussion settings in the Wordpress backend.
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Before Wordpress 2.7 I achieved a custom gravatar image on kremalicious.com with this code placed in the comments.php template file:
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{% highlight php %}
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<?php
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if(function_exists('get_avatar')) {
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echo get_avatar(
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$comment,
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$size = '70',
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$default = '<?php bloginfo('template_directory'); ?>/images/gravatar.png'
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);
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}
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?>
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{% endhighlight %}
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So we were able to set a path to our image we wanted to use as the default gravatar image. But with Wordpress 2.7 we have the new function [`<?php wp_list_comments(); ?>`](http://codex.wordpress.org/Template_Tags/wp_list_comments) which pretty much simplifies writing comment template code. Although it has a parameter for the avatar size it doesn't have one for setting a custom image like before.
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But we can use the functions.php file in your template directory and add some lines to it: (If you don't have a functions.php file just create one.)
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{% highlight php %}
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<?php
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function my_own_gravatar( $avatar_defaults ) {
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$myavatar = get_bloginfo('template_directory') . '/images/gravatar.png';
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$avatar_defaults[$myavatar] = 'GRAVATAR NAME DISPLAYED IN WORDPRESS';
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return $avatar_defaults;
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}
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add_filter( 'avatar_defaults', 'my_own_gravatar' );
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?>
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{% endhighlight %}
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Just set a name for your custom Gravatar image to show up beside the image in the Wordpress back-end. The code above assumes you have your custom default gravatar image inside a folder called images inside your template directory. Change it to your environment if neccessary. After that a new entry in the Wordpress backend under Settings > Discussions will appear with the custom image specified:
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And you can adjust the displayed size of the gravatar image by adding a parameter to `<?php wp_list_comments(); ?>` function in your comments.php file:
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{% highlight php %}
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<?php wp_list_comments(array('avatar_size'=>70, )); ?>
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{% endhighlight %}
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And that's it. As you would guess I pretty much prefer this way to adjust the gravatar image. But you're free to [write your custom comment callback function](http://clarktech.no-ip.com/wordpress/wordpress-27-comment-callback-function) to exactly define the output of the comments. But it's definitely too much if you just want to change the gravatar stuff.
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