An Unexpected HTTP Error occured during the API request.

This is because WordPress does not know the proxy server to talk to external internet. To resolve this, simply enable proxy by adding following lines to wp-config.php file

define(‘WP_PROXY_HOST’, ’192.168.110.1′);
define(‘WP_PROXY_PORT’, ’80′);

Replace 192.168.110.1 and 80 with your actual proxy server and port.

If the intranet proxy requires user authentication, appending following lines.

define(‘WP_PROXY_USERNAME’, ‘UserName_ReplaceMe’);
define(‘WP_PROXY_PASSWORD’, ‘UserPassword_ReplaceMe’);

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Admin bar is one of new features in WordPress 3.1. It’s automatically enabled for all logged-on user.

To disable the admin bar in WordPress 3.1, append the following code into functions.php file, you can find function.php under the theme folder.

remove_action( ‘init’, ‘wp_admin_bar_init’ );

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I just upgraded my site to 3.0 today. The upgrade was smooth, however, I find that export doesn’t work any more. When I try to push export button to download posts xml file locally, I get following error.

Warning: Illegal offset type in isset or empty in /home/content/22/5401722/html/wp-includes/taxonomy.php on line 176
Warning: Cannot modify header information – headers already sent by (output started at /home/content/22/5401722/html/wp-includes/taxonomy.php:176) in /home/content/22/5401722/html/wp-admin/includes/export.php on line44
Warning: Cannot modify header information – headers already sent by (output started at /home/content/22/5401722/html/wp-includes/taxonomy.php:176) in /home/content/22/5401722/html/wp-admin/includes/export.php on line45
Warning: Cannot modify header information – headers already sent by (output started at /home/content/22/5401722/html/wp-includes/taxonomy.php:176) in /home/content/22/5401722/html/wp-admin/includes/export.php on line46

WordPress FAQ suggests checking spaces in wp-config.php and remove blank spaces before <?php tag or after ?> tag, I try and it does not help.

After trying deactivate on every single plug-in, I figure out it’s the plug-in Simple Tags that breaks WordPress 3.0 new export feature. Before Simple Tags owner releasing a fix, you can temp workaround this issue by deactivating Simple Tags plugin. After that, you will be able to get exported xml file to save.

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Things to test in 3.0 beta 2

• Revised menu user interface
• Changes to the WordPress exporter and importer to make it more flexible

WordPress 3.0 changes

Check out my previous post WordPress 3.0 Features. I will keep updating there.

Note: it’s recommended not try beta version WordPress on production site.

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This can be workaround by installing plug All in One SEO. But for those who concern plugin will slow down their sites, here is a simple hack, all needs to do here is just adding a few lines in header.php.

Firstly open header.php, find this line <meta http-equiv=”content-type” content=”text/html; charset=<?php bloginfo(‘charset’); ?>” />

Secondly, add following code after it.

<?php if (is_single()){
$description =  substr(strip_tags($post->post_content),0,220);
$keywords = “”;
$tags = wp_get_post_tags($post->ID);
foreach ($tags as $tag ) {
$keywords = $keywords . $tag->name . “, “;
}
}else{
$description = “REPLACE W HOMEPAGE DESCRIPTION STRINGS“;
$keywords = “REPLACE W HOMEPAGE KEYWORDS“;
}
?>
<meta name=”keywords” content=”<?php echo $keywords; ?>” />
<meta name=”description” content=”<?php echo $description; ?>” />

Here is how it works, when a web page is loaded, wordpress will check page type, if it’s a single post, tags strings will be set as keywords and the first 220 letters of post will be set as descriptions. Otherwise, a hard coded keyword and description strings will be set.

Now giving up adding keywords and description in every single post and get rid of All in One SEO.

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Ability to Choose Username When Installing WordPress

In previous version WordPress, default username for Admin is hard coded as admin. In WordPress 3.0, this secure hole is fixed, default user name can be customized when you install WordPress.

New default theme Twenty Ten

In WordPress 3.0,  the default theme is replaced with a new theme named Twenty Ten. This is a good example theme for theme developers.

Enhanced Theme Management

In WordPress 3.0, a new tab is created for theme installation.

Customized Background

In WordPress 3.0, you will be able to change background by uploading your own images. Enable customized Background is as simple as just adding following line in function.php under the theme

add_custom_background();

Multisite Support

In WordPress 3.0, you now have the ability to create a network of sites. To enable the Network menu item, you must first define multisite in the wp-config.php file.

Open up wp-config.php and add this line

define (‘WP_ALLOW_MULTISITE’, true);

Once Multisite is enabled in wp-config.php, you will be able to create network from Tools –> Network.

Enhanced Export feature

In WordPress 3.0, there are more options for site export. Users are able to export posts for a certain data or a contain catalog/tag.

Also one feature still under construction is create customized menu. The UI development is not complement so it’s possible layout and functionality is changed in final release. There are also other improvements we will see when 3.0 is official released to public.

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Here is the SQL command that will do it:

UPDATE ‘wp_users’ SET ‘user_pass’ = MD5(‘PASSWORD‘) WHERE ‘user_login’ =’admin’ LIMIT 1;

Note you need update red PASSWORD to the real password you want reset.

After the command succeeds, you will be able to login to WordPress with new password.

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1. Install latest Web Platform Installer 2.0 from Microsoft download site

2. Launch Web Platform Installer 2.0, click Windows Application tab and check WordPress, the PHP option will be automatically selected

The cool thing here is that Web Platform Installer 2.0 is smart enough to know all the dependencies for WordPress and it will automatically download and install all the required components for you. Take my Win7 system as example, Web Platform Installer will download and install MySQL 5.1 and PHP 5, it also configures IIS settings prior to WordPress installation.

3. Click Install to start the installation.

4. Input root password for MySQL administrator when you are asked to.

5. Web Platform Installer will download and install all necessary dependencies seamlessly.

6. Once Installation is done, Web Platform Installer will ask your input for an one time site configuration.

• In Step 1, Web Site drop down,
  • If Default Website is selected, Web Platform Installer will create local WordPress site using http://localhost/wordpress
  • If New Website is selected, Web Platform Installer will create local WordPress site using http://localhost/
• In step 2, you can get security keys for http://api.wordpress.org/secret-key/1.1/ for Unique Key for Passwords, Unique Key for Secure Passwords, Unique Key for Authentication, Unique Key for Secure Authentication.

7. Click Continue and now you should see a WordPress installed successfully screenshot:

8. Click Launch WordPress link and you will see the famous file minute WordPress installation process. Have fun!

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