The functions.php is a file that can be found in every WordPress theme. Not only does it allow you to control important theme features like sidebars, widgets, and the navigation menus, but it also enables you to add small code snippets that activate or deactivate code fragments or manipulate many important aspects related to your website. Basically, this file works like a plugin and loads automatically when WordPress is initiated. Of course, you can also integrate the code snippets in their custom plugin that you’d create specifically for those snippets and your website. We provide the most useful snippets for either use. This Applies for All Graphics of This Article: Clicking it Opens the Respective Gist at GitHub 1 – Replacing the WordPress Login Logo This way, the login design can be adjusted to a possible customer’s corporate design. 2 – Restricting Access to Menu Points in the Backend Based on the Username With this feature, you can deactivate the access to individual admin menu items based on the username. 3 – Setting the Excerpt’s Word Length The standard excerpt is exactly 55 words long. That can be overwritten using this snippet. 4 – Removing the WordPress Admin Bar With the […]* You might also be interested in the following articlesWordPress Security: Turn Off the XML-RPC InterfaceWordPress 4.1 for Theme Developers: Life Became EasierPost Snippets for WordPress: You Need This PluginWordPress: How to Create a Theme Option Page QuicklyTwo Fresh Solutions for Code Display in WordPressWordPress Tips: Turn on DoFollow for Comments, Turn off Internal…