Writing

Function Friday #12: include code in your content with a custom shortcode

For a variety of reasons, WordPress will strip out a lot of code you may want to paste into the editor (even if you’re on the Text tab). If the code you’re pasting has lots of line breaks to improve readability, WordPress will also convert line breaks to br and p tags.

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Function Friday #11: displaying menu item descriptions with a custom walker

Have you ever wondered about the “Description” field on the Appearance → Menus page, with its notice that “The description will be displayed in the menu if the current theme supports it”? I’d seen it before (when enabling the “CSS Classes” field via Screen Options) but hadn’t paid much attention to it, until I had a client that wanted some text to appear next to each item in the navigation menu.

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Function Friday #9: create a custom widget to list blog contributors

A fairly common request I get is to have a list of my client’s blog contributors in the sidebar. It’s odd this isn’t one of the default WordPress widgets, to be honest! But it’s easy to add with a bit of code. You can also further customize the widget using the plugin Advanced Custom Fields.

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Function Friday #8: add the blog page slug to single post permalinks

If a site is using WordPress posts for non-time-sensitive content (like this one), I’ll often remove the date from the permalinks. On a site that’s using a Posts Page I’ll also add the slug from the Posts Page into the URL of all posts, plus all category and tag archives. It’s a small detail that makes finding your way around the site just a little bit easier.

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Function Friday #7: send empty searches to the search results page

One of the things I test on every site I build is to run a search, and one time I accidentally did it with an empty search form – just hit enter without filling in any keywords. To my surprise I was redirected to a page that showed the latest blog posts instead of the search results page I expected.

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Function Friday #6: add a class to the current content’s ancestor in the menu

Sometimes a tiny design change can make navigating a website much easier. Indicating which page you’re currently on by changing the style of the corresponding menu item is one of those changes, and WordPress helps you out by adding a bunch of classes to every menu item – but not once you add custom post types into the mix.

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Function Friday #5: show custom image sizes in the attachment display settings

I often find the default image sizes generated by WordPress (Thumbnail, Medium, and Large) aren’t sufficient to cover every situation where I want to use images of a specific size. And once you’ve set up a bunch of custom image sizes, you might want to insert them into your posts and pages, not just use them in your theme code.

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Function Friday #4: add conditional classes to the body tag

If you haven’t spent time looking at WordPress starter/default themes, you may not have come across the body_class function before. It can be useful right out of the box for styling different types of content, but you can also conditionally add classes to this list for further styling.

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