Introducing Flowplayer

For the past many years Adobe has been the dominant video player on the market with their Flash video player, however sometimes you just want to try something different, and that is where Flowplayer entered the picture. Flowplayer allows you to quickly add a video player on your websites. After having tried it out I must admit this is probably one of the better alternatives currently available.  Perhaps one of the biggest advantages Flowplayer has over other existing video players is the ease of use,...

OAuth2 and the Twitter API – A WordPress plugin

Building on the last few WordPress related tutorials, this week we'll being using the Twitter API to display a users most recent tweets using a shortcode. Several of the existing tutorials and code examples out there use the old version of the API or the search API that do not require authentication. This API has been deprecated and been replaced with version 1.1. Although it still works, Twitter can disable it at any time. One of the main changes to the API with the introduction of the 1.1 API was the implementation...

Using wp_cron to disable commenting on old posts

One of the little known, but incredibly useful functions of WordPress is wp_cron. It allows you to schedule tasks for execution at a later time, the tasks can also be repeatable. It's not perfect and does have one serious problem, in that it is only executed while users are actually navigating the site. But on a popular site this won't make a difference, but it's still worth noting. Something I see regularly been asked for is the ability to disable commenting on or delete/hide older posts, generally for...

Adding an admin or settings page to WordPress

A few weeks ago in my Google Maps Shortcode for WordPress tutorial I covered how to create a basic shortcode. All of the settings required for the Google Maps API where included as configurable attributes for the shortcode. It was discussed in the comments that perhaps it would be better to set some of those options globally. One option discussed was modifying the wp-config.php file, this I don't think is a great idea. It would mean that it could be potentially overwritten by upgrades and is not easily...

My favorite development tool set, keeping it simple

When I first started playing around with websites in the late nineties (wow, I feel old now) there wasn't much in the way of choice for development IDE's, there was really only Microsoft FrontPage and Macromedia (now Adobe) Dreamweaver. Being honest they weren't great, Dreamweaver's big claim to fame was that it generated cleaner html than FrontPage. Both where poor by today's standards, this was mainly because they where WYSIWYG editors, allowing even novices to create simple pages. When I went...

Customizing WordPress Using Custom Post Types

One of WordPress' greatest features is its ability for customization. There are many sites out there that could benefit greatly from these features. I've seen sites that sell cars and houses to simple music sites that could benefit from one specific customization function within WordPress, the register_post_type. The register_post_type function, as its name suggests allow the user (or theme) to add a new post type such as car, house or album. Once this post type has been registered, the user can...

Creating a jQuery gallery for Flickr

This week, we'll be creating a simple jQuery gallery that uses the Flickr API to retrieve a list of images from a photo set and display them. We'll also be using the API to get some additional information about the images and storing it using the HTML5 data-* attributes The Flickr API ... To use the API you need to register for an API key, it doesn't take long and you can start here There are 2 methods that we will be using for this tutorial, first we'll need to get name and description of the specified photo set....

Creating a Google Maps shortcode for WordPress

This week we'll be extending WordPress by adding a custom shortcode. This shortcode will allow us to add a Google Map to a post using a simple piece of text in a post or page. Shortcodes are a quick and easy way to add functionality to a post in WordPress. They look something like this: [ gallery ids="1,2,3,4"] We'll also using PHP based Object Orientated Programming (OOP) to create our shortcode. We'll create a basic class, that has some static functions with in. We'll be using static methods because we...

Creating a simple to-do application – Part 4

This week in part 4 of creating our simple to-do application we'll be learning how to send email notifications/reminders. To do this we'll be using the PHP mail method and learning how to schedule repeatable tasks on Linux using cron. The equivalent process for Windows is the task scheduler and it is pretty self explanatory. WordPress has what it calls the wp-cron alternative, but it's use is limited as it requires someone to actually use the site. Cron ... Cron is the Unix/Linux schedule process, it...
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