Wordpress @ Ralf Engel dot Com » MU Plugins

New WordPress plugin Acronyms plugin

admin — Fri, 21 Oct 2011 07:11:58 +0000

Web Guru and Web Designer Forum Moderator will be releasing anew plugin (a remake of Joel Pan’s abandoned Acronyms plugin) to the WordPress repository in the next few days.

Meanwhile, if anyone wants to grab the beta you’re more than welcome, as long as you give me feedback – I’ve only been able to test it on a limited selection of themes, so the more the merrier. It should detect whether your theme is HTML5 or not, and output either abbr> or acronym> appropriately (that’s the functionality I added, so obviously that’s the bit I’m most interested in feedback on).

New WordPress plugin – Web Design Forum.

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WordPress 3.0 Images Trouble

admin — Mon, 05 Jul 2010 15:41:11 +0000

Ok, so now we’re running the new WordPress 3.0. Great. Everything looked fine, until I visited the Media Library. To my surprise all the thumbnail images are gone. All I see is the tiny red x that one usually can observe when an image isn’t at the apropriate URL.
Of course I’ve Googled the “No Images in WordPress 3.0″ Issue right away and found lots of articles. But the fixes they propose just won’t work for me. AND I DON’T KNOW WHY!!!!!!!!
Most fixes treat an Issue you will encounter when you do a WordPress FTP upload into a folder on the root of your server, e.g.: http:/mydomain.com/wordpress. It seems that there is a filter in 3.0 which converts wordpress into WordPress. Thus, of course your old images, uploaded with the media tool, will be stored in mydomain.com/wordpress/1/files/2010/7 and now will be integrated in posts at mydomain.com/WordPress/1/files/2010/7. So, if you’re lucky and did a WP folder upload, you can get a plugin disabling the WP caps filtering here.

Now, If, like me, you’re in the very disappointing situation that you haven’t uploaded WP into a folder on root, meaning your folders structure looks like this:
mydomain.com
- wp-admin
- wp-content
- wp-includes
index.php
and so on, then if you can’t see your images in the media library and/or in the posts, things get more complicated.
I found out that there appears to be some kind of supplemental error in the image upload location re-writing.
I observe the following for the location of images:
Image Location In Post: http://ralfengel.com/files/2009/12/why_comuters_overheat.jpg
Image Location In Media Library: http://ralfengel.com/files//2009/12/why_comuters_overheat.jpg
Now that is weird, where in Matts name does the second / after files come from? And how can I get rid of it?

The Solution:
Use your FTP program, download .htaccess and open it with an editor.
Change your #uploaded files to read the following:

RewriteRule ^(.*/)?files/$ index.php [L]
RewriteRule ^([_0-9a-zA-Z-]+/)?files/(.+) wp-includes/ms-files.php?file=$2 [L]

Save it, upload it (you may have to rename it since windows may have cut the . from htaccess, so make sure that on the root you see:
.htaccess
now, refresh your blog, media library, and feel the happiness overcome you, as all those lost thought images re-appear like by magic.

So, to recapitulate, here we have the solutions to two different Image (no show) problems with WordPress 3.0.
First, a WordPress 3.0 grammar filtering issue, changing WordPress into WordPress, second, an error in the .htaccess uploaded images location.

I hope this helped you solve your issue, if it hasn’t post a comment here, I’ll have a look at it.

happy blogging

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How to Execute PHP code in WordPress MU

admin — Mon, 23 Feb 2009 15:50:43 +0000

After upgrading from WordPress to WordPress MU 2.6.5, and importing of about 4 MB of posts and comments, I’ve noticed that ALL my posts using code between < and > stopped working. I did some googling on this Issue and found out that WordPress MU is programmed in a way to prevent this kind of code from functioning.

SECURITY RISK!!!
The reason why all code is stripped from your posts upon saving is that hackers could easily install some flash code which could get to directories above the root directory on the server, and this would be an Important Security Issue, opening a Loophole to your Server files.

Since I’m the only one using my WordPress Multiuser installation, I don’t have this problem.

You will have to do 2 things. First, get the “Execute PHP Code Plugin”, unzip, upload to your plugins folder (there is no configuration to be done).
I found this file on the web, at Pryadis’s place. The thing is that he gives you the file as a text file and it is missing the closing > bracket in the end, so it won’t work if you download it from there without adding the > to the end, before you save it as a name.php file.

Now you will have to open the kses.php file in your wp-includes folder. On line(s) 1034 and 1035 (in my case) you will find this line:

add_filter(‘content_save_pre’, ‘wp_filter_post_kses’);

just add // in front of this line to see:

//add_filter(‘content_save_pre’, ‘wp_filter_post_kses’);

Upload the file, and you are ready to go.
This trick is actually posted on “It’s just another Biz”

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