WP-Mix (Page 34 of 35) | A fresh mix of code snippets and tutorials

WordPress: Display all comment fields when user is logged in

By default WordPress hides the Author/Name, Email, and URL fields on comment forms when the user is logged in. This is because WordPress automatically gets the related information directly from the user profile. But what if you need to do some testing or troubleshooting and want to display all the fields? Here is a plug-&-play […]

Coda Tip: Fix Reverse Publish Not Working

Another mystery solved! For several years now, I’ve used Coda for coding, SFTP, and related tasks. Downloading files from the server is a common task, but for some reason you always have to click “Reverse Publish Selected Files” several times before the download will start. It’s not a big deal, but I’ve always thought it […]

Free up screen space on EDD settings pages

Easy Digital Downloads recently added a giant logo to all of their settings pages in the WordPress Admin Area. That’s great for them, but users are left with about an inch less of screen space. So now when visiting EDD settings, customers, downloads, etc., you have less vertical space with which to work. This quick […]

Video Tutorials: Running WordPress on Shared Hosting

After months of hard work, I am pleased to announce the launch of my new video course on running WordPress on shared hosting. This course shows you how to get your own WordPress-powered site up and running as quickly and inexpensively as possible. It walks through the entire process step-by-step, with helpful visuals and examples […]

PHP: Two Ways to Check if Remote File Exists

Working on my free WordPress plugin, Simple Download Counter, I needed a quick way to check if a remote file exists. As in, requesting the file returns a 200 “OK” response. Here are a couple of ways to do it via PHP.

Display All PHP Errors on Screen

When working on a PHP project, I usually log any errors to a file (error log), but on some projects it’s necessary to display any errors right there on the page. Here is the code that I use to make it happen.

Vanilla JavaScript: Focus Input on Page Load

Super quick tutorial today. How to focus the user on any input when the page loads. For example, when you visit the WordPress Login Page, the “Username” field is focused automatically. This technique is very simple and works on any input or element that supports a focused state.

PHP: Get $_SERVER Variables

I use a variation of this function to get super global $_SERVER variables in my free shapeSpace WordPress theme. The function returns all relevant variables contained in the $_SERVER array. Note this is a general PHP technique, so WordPress is not required for this one.

WordPress: Get Current URL and Slug

Another essential tool for your WordPress development toolbox is getting the URL of the current page. This sounds simple but can be tricky depending on which page or type of page is being displayed. So to help, here is a simple technique to get the current URL for any single post, archive view, custom template, […]

Find All URLs in a String with PHP

While developing my WordPress chat plugin, SAC Pro, I needed a way to get all URLs from a string. This enabled me to find any URLs that were included in chat messages, so I could apply HTML formatting and convert the raw URLs into actual clickable hyperlinks.

WordPress: Simple Image Upload with jQuery

Some of my free WordPress plugins enable users to select and upload files from their local machine. The uploaded images are handled by WordPress and added to the Media Library. The technique is very basic and easy to implement, requiring only a few snippets added to your WordPress site.

Affinity Photo: Transparent Gradient

I switched from Photoshop to Affinity Photo several years ago. Although the overall image editing process is very similar to Photoshop, there are some things that Affinity Photo does differently. For example, doing a simple gradient transparency. Seems easy but it took me quite a while to figure out how to do it. So am […]

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