Register Settings on WordPress Multisite

Posted in: WordPress Plugins December 21, 2011Frank

The use of WordPress for several blogs in the network can be useful to simplify several steps and is becoming increasingly popular. Whether you want the classical scenarios of blog hosting service or like to create multilingual websites or other ideas. Therefore, it is also important for plugin developers to use the functions and to expand or develop their own Plugins for it specifically.

Much is the same, but not all, and in this small article I would like to briefly explain how you set settings in the database when you activate a Plugin. Continue reading …

Restrict Mime Types on WordPress Media Upload

Posted in: WordPress Plugins December 17, 2011Frank

WordPress has changed the library in version 3.3 – which I think is an improvement. The restrictions in terms of file types remains and you can control them via hook. So you can limit or extend the file-types. Via two hooks, this is done quickly and there is a notification displayed in your backend which lists the allowed file types.

Add Icon to Site Link in the WordPress Admin Bar

Posted in: WordPress Tutorials December 16, 2011Frank

Each button in the Admin bar has a self-defining and space-saving icon. But the link to the blog frontend (which is represented as a blog title), has no icon. If you want, you can change it quickly – here is a small solution.

unserialize() Error at Offset… Different solutions

Posted in: WordPress Hacks December 14, 2011Frank

The problem is not always obvious, for example the error message in relation to the function unserialize(). If you look around the net to help you find countless search and few answers, because usually the problem lies in the source, in the passed value. But not always you can control it, especially in debugging helpers there are different contents.

To help some people who are seeking help, here are some solutions you can work with. Some are to be used only in conjunction with WordPress, because the function comes from the core. But there are similar things, of course, even without WP.
Continue reading …

Activate WordPress Plugins Automatically via a Function

Posted in: WordPress Hacks December 13, 2011Frank

WordPress stores the active Plugins in the database table options, field activate_plugins, so it is easy to change this value to activate various Plugins by WordPress; either as a Plugin solution after setting up a new installation or because some Plugins need some other Plugins.
Continue reading …

Advent Calendar – WordPress, WPCron and the right Time

Posted in: WordPress Hacks December 12, 2011Frank

WordPress offers a pseudo-cronjob functionality, which allows the developer to execute scheduled events. For example, the whole Update Notification does it. In these so-called Scheduled Events you can define your own jobs. Thereby you should however pay attention to one important thing: time.
Continue reading …

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