Creating a settings shortcut link
One of the problems encountered by users is that a plugin's settings may be difficult to locate. It's not immediately clear if a new menu item has been added when a user first activates a plugin. That's the problem we are going to solve by adding a Settings link that takes us to our plugin's administration page.
How did we do that? Well, it turns out that the information for each plugin is printed via a process that we can modify using a WordPress filter. The name of one of these secret filter hooks is plugin_action_links. How did we know that? Thanks to the nature of open-source code, we saw it used in Viper's Video ...
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