Plugin update history,dell video editing machine,registered trademark symbol mac keyboard,marketing companies in east london - How to DIY

Hopefully, you’re already well-versed in logging into your WordPress site as an administrator! If there is an update for a plugin or a theme, then you’ll likely have a number in the top bar and next to Updates as shown below (the number 5).
And at the end of the update process you should receive something similar to, All updates have been completed. Welcome at PCFlightsimnews!You just found the right place to catch all news about the wonderful world of virtual aviation!
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If you want a new option, or if you update the value of an existing option in a new version, you need to update the database of users who already use your plugin, so we need a function called right after the update.
So WordPress doesn’t provide a default way to automatically call a function right after a plugin update. In this part of the tutorial I’ll show you how to automatically call a given function right after an update of your plugin. The number in the database will store the version currently installed by the user, while the number in the constant is the current version. Usually, plugin versions are identified with numbers but, if you use another system, feel free to use it. Updating any option can be done the same way we updated the version number: you call update_option(), and you’re done, even if it’s the first time WordPress sees the option.
You should know that WordPress allows arrays to store values for our options, and creating them is not any more difficult that creating other options. If the option exists in the database, the previous code won’t create it, so your new key won’t exist. First, we define an array containing the default values of our options (with the new keys if they exist). Now we can use the PHP function array_merge(), with our default values array as the first parameter, and the user’s values array as the second one. We’re close to the end, but we now need to fix a bug that you can run into if the function is executed for the very first time. What we want is simple, if the option doesn’t exist, we want $option to be an empty array. Once you’ve gone over it, handling the update process for a WordPress plugin is not overly complicated. Currently a math student, Jeremy is a passionate guy who is interested in many fields, particularly in the high tech world for which he covers the news everyday on some blogs, and web development which takes much of his free time.

At the March 11th developer chat, the team decided to scale back shiny updates to focus on plugins for 4.2.
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But, contrary to what I thought, WordPress doesn’t provide any native way to handle an update process. First, we’ll see exactly why we need an update process and why WordPress doesn’t provide such a process. For example, when you manually update the WordPress files to a new version, the platform will ask you to hit a button to update the database too. After all, when you automatically update a plugin, it is deactivated and reactivated, so we could expect this hook to be called.
The development team explained this choice, and you can read the entire explanation on the Make WordPress Core blog. We’ll see in the next part how to properly handle the updates of existing options, and the creation of new ones (in the same function). If these two numbers are different, then the database options have not been updated since the last plugin update, so we’ll need to do it. This function also updates the version number stored in the database: that way, we won’t call this function more than necessary.
First, add a constant definition in the main file of your plugin, with your current version number as a value. The only constraint here is to have a unique identifier for each version or, at least, for each version which requires changes in the database (new options, new default values, etc.). This function will compare the previously defined constant with the value currently stored in the database.
We retrieve the version number stored in the database, as any other option, and we compare it to the constant. We’ll use this behavior to test if the option we want to update exists in the database. In some cases, we might want to do this, think about the version number, where we surely don’t want to keep the old value!
That way, you don’t use a lot of entries in the database, and you limit the chances to have an option with the same name used by another plugin.
But if we erase the condition, the array will retrieve its default values with each new update.

That way, we’ll get an array containing all of the keys defined in the $default array and we won’t have any non-existing options.
For that, we can use the second parameter of get_option() which represents the default value to get (in order to not return false).
However, it’s important if you use options, since not initializing options can cause some problems. The fact is, considering the problems we listed above, if we see this type of feature introduced one day, it should be implemented in a similar way to this tutorial.
Treat this code as a skeleton for you to implement your own WordPress plugin update process. Gary Pendergast and a team of volunteers have spent the last six months collaborating on shiny updates. Removing friction from the update and install process not only saves mouse clicks, but it’s a great user experience. After some investigation, I discovered that the problem came from the options used by the plugin: these installations hadn’t any default values for the new options I added. Creating new options when a user activates your plugin for the first time is easy, you just have to use the activation hook.
The main reason is that it wasn’t called every time is that if a user manually updates a plugin, the activation hook can be skipped. To do that, we’ll make sure that our function is called everywhere, with the action plugins_loaded, triggered once all the plugins are loaded. If the option doesn’t exist, get_option() returns false, which is different from your version number, so the function will be called.
But, if you do this, you’ll see that this new function will be very similar to activation, as updating an option can be achieved the same way we create one. By using update_option() you’ll override the users’ choices every time you update the plugin, which is not what we want to do.
With the test we did above, we can create the option only if it does not exist, and these choices won’t be overridden. In fact, the process is so quick, it might make sense to add a visual indicator that tells the user a plugin is installed. For instance, when a plugin is installed, a notification model window would pop up and fade away.

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