WP-Mix (Page 10 of 35) | A fresh mix of code snippets and tutorials

WordPress oEmbed Tricks

Ahh yeah, here are some sweet little code snippets to customize the default WordPress oEmbed functionality. Techniques include modifying default oEmbed size, markup, as well as enabling oEmbed for Post Excerpts and Custom Fields.

WordPress Fix Image Upload Errors

Here are some quick tips to help troubleshoot and fix image and file upload errors in WordPress. Hopefully it helps someone out there get things back on track with their uploaded images. I know it can be frustrating!

WordPress Require User Login

This post shows a quick and easy way to require that the user is logged in to WordPress in order to gain access to some private content.

Query String Parameter Redirect

Example snippet showing how to redirect from one URL to another, changing only a single parameter in the query string. It’s a subtle but a commonly used technique, especially in the SEO field, where URLs are changed frequently to optimize for structure, keywords, etc.

WordPress shortcodes for private content

I use these snippets all the time, so I’m posting them here at WP-Mix for easy access. The first shortcode can be used to display content only to logged-in users (based on capability). And the second shortcode can be used to display content only to visitors (non-logged-in users).

JavaScript redirect to URL on select

JavaScript and jQuery techniques for redirecting to the specified URL when the user makes a selection.

Require HTTP 1.1 (and better) for POST

This quick .htaccess snippet requires that the user submit POST requests using only HTTP 1.1 and better.

Fix double abbr underlines

The developers at Firefox decided to add their own default styles for <abbr></abbr> and <acronym></acronym> tags — completely ignoring the fact that many sites already include their own styles for abbreviations and acronyms. The result is an ugly double underline and/or text-decoration in Firefox browsers.

Video Tutorials: Securing WordPress Sites

After several months of production, my video course on developing secure WordPress sites is now available at LinkedIn/Lynda.com!

Include files from parent directory, subdirectory

This post concludes our trilogy of posts on getting file and directory path information with PHP and WordPress. In this final path-related post, you’ll get numerous ways to get and include files from parent directories, subdirectories, adjacent directories, and even the same directory, just to round things out.

Getting Path Info with PHP and WordPress

Massive round-up of PHP and WordPress techniques for getting various directory and file path information. This is a mega-reference aimed at PHP/WordPress developers.

PHP Get Absolute Path, Document Root, Base URL

Depending on your server configuration, getting correct path information can be challenging. For example, PHP does not provide a variable that will return the the base URL of your site. To help out, you can use the following code snippets to get the absolute path, document root, and base URL, respectively.

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