How to get the comment author name, email and website from his cookies?

Filter posts by author in WordPress admin area

Stripe Checkout Example with Default Popup Form

Remove taxonomy slugs (categories, post tags and custom taxonomies) from URL

Permalink post_type structure with taxonomy slug in it

How to Change URL of a custom post / page / category / tag in theme functions.php. Capitalize URL.

Responsive Images feature in WordPress

How to sell products on the website via PayPal

Introduce to Stripe API, simple PHP + WordPress example

Mailchimp API 3.0 – PHP and AJAX subscription / unsubscription

Ready to use function which allows you to subscribe an email address to any of your mailchimp lists (with confirmation email or not) or unsubscribe it as well.

Instagram API Pagination – Get more than 20 and more than 33 photos

In this tutorial we will talk about Instagram limitations which do not allow to display more than 20 photos or sometimes more than 33 photos and how to get rid of them.

Get Images from Instagram using PHP

PHP code examples of how to get posts from Instagram by a username or by a tag. With new API support.

Get Photos from Instagram using jQuery

In this tutorial we are going to use jQuery $.ajax to connect to Instagram API and get photos by user or by tag. Works perfectly with the latest API changes.

How to Search across All Sites in WordPress Multisite Network

In this step-by-step tutorial we are going to display search results throughout your whole multisite network in a one loop.