WordPress News, Hacks, Tips, Tutorials, Plugins and Themes
If you're a experienced programmer you're testing your programs not only with the latest version of WordPress but also with some older versions since there are many dated installations. So you have several versions installed on your development server and want to test your newly created code with every single version.
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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.
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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.
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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.
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If you have used Twitter, then you know that you are only allowed to type 140 characters in a single Tweet. There is a nice little number below the text field indicating how much is left to write.
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There are still some third-class web hosters who do allow the .htaccess files … and turn off the standard module mod_rewrite. But without mod_rewrite, WordPress cannot use pretty permalinks, right? Wrong!
There’s another directive we can use: ErrorDocument.
ErrorDocument 404 /index.php
This will do almost the same as the rewrite rules WordPress offers. It will not work with caching plugins like W3 Total Cache, it will not catch empty searches and other .htaccess tricks you may want to use. So consider this trick as a temporary solution until you have found a real web hoster.