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Hallo, my name is Daniel :) I build plugins, themes and apps - then proceed to write or talk about them. I'm the editor for the WordPress section here on Smashing Magazine and I contribute to various other online sites. When not coding or writing you'll find me playing board games or running with my dog. Drop me a line on Twitter or visit my personal website.

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Guide To WordPress Coding Standards

Whenever we set code to screen, we must follow some sort of logic. You may well be the only person who understands that logic, but you still make the effort. The reason we follow standards and practices is to adhere to a common logic, so that we find each other’s code understandable and sensible.

WP Coding Standards

Today, we’ll delve into the gaping maw of knowledge that is the standards and practices of WordPress coding. By the end of this article, you should be familiar with the guidelines and the underlying approach. With some practice, you will be able to adhere to the rules and make educated guesses about the less regulated corners of the specifications.

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What’s New in WordPress 3.4

With WordPress 3.4 set to arrive this week, it's a great time to familiarize ourselves with the new features and additions. The new version of WordPress brings many improvements, including custom backgrounds and headers, a live theme-customizer, revamped XML-RPC, better support for internationalization, and many bug fixes and enhancements. Let's dive in and see what WordPress 3.4 has in store!

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When WordPress added featured images as a core feature in 2.9, a new function was added — add_theme_support. It was (and is) obvious that this is a precursor of things to come: the standardization of theme features. Since its introduction, add_theme_support handles post-formats, automatic feed-links, and now in version 3.4, custom backgrounds and headers will be added to the list.

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Manage Events Like A Pro With WordPress

If you've ever tried working with, coding for or just thinking about anything to do with events, you know they are a total nightmare in every possible way. Repeating events, schedules, multiple days, multiple tracks, multiple prices, multiple speakers, multiple organizations, multiple payment options — the list goes on on for quite some time.

Manage Events Like Pro With WordPress

Today we'll show you how to make event management an easy — nay, enjoyable — task by making WordPress do the grunt work for you. We'll be looking at out-of-the-box WordPress features, plugins and themes and a DIY approach to managing events. Please do let us know if you have more or better ideas.

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Create A Christmas Wish List With PHP (For Beginners)

’Tis the season to be jolly, and how much jollier could we make it than with a helpful Christmas wish list crafted for your family to ensure that you get maximum presentage this holiday? In this article, we will focus on creating a very simple system that allows you to add gift ideas to a Web page, and for your family (or whoever) to view the list.

Christmas Wish List With PHP

This tutorial is meant for beginners who already grasp HTML and CSS, know a bit of PHP and have seen phpMyAdmin before. I will not go into best practices, safety and all the rest of it; let’s just have fun with this one!

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Securing Your WordPress Website

Security has become a foremost concern on the Web in the past few years. Hackers have always been around, but with the increase in computer literacy and the ease of access to virtually any data, the problem has increased exponentially. It is now rare for a new website to not get comment spam within days of its release, even if it is not promoted at all.

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This increase in naughty behavior, however, has spurred developers to write better code, and framework vendors have implemented many functions to help coders in their battle against the dark side.

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Create Perfect Emails For Your WordPress Website

Whatever type of website you operate, its success will probably hinge on your interaction with your audience. If executed well, one of the most effective tools can be a simple email. WordPress users are in luck, since WordPress already has easy-to-use and extendable functions to give you a lot of power and flexibility in handling your website’s emails.

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In order to create our own system, we will be doing four things. First, we will create a nice email template to use. We will then modify the mailer function so that it uses our new custom template. We will then modify the actual text of some of the built-in emails. Then we will proceed to hook our own emails into different events in order to send some custom emails. Let’s get started!

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How To Use AJAX In WordPress

In the last few years AJAX has creeped into websites and has slowly become THE way to create dynamic, user friendly and responsive websites. AJAX is the technology that lets you update the contents of a page without actually having to reload it in a browser. For example, Google Docs utilizes this technology when saving your work every few minutes.

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While there are a number of ways to use AJAX in Wordpress = and all are correct in the loose sense of the word - there is a method which you should be using since WordPress supports it, it is future proof, very logical, and gives you numerous options right out of the box.

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WordPress Essentials: The Definitive Guide To WordPress Hooks

If you’re into WordPress development, you can’t ignore hooks for long before you have to delve into them head on. Modifying WordPress core files is a big no-no, so whenever you want to change existing functionality or create new functionality, you will have to turn to hooks.

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In this article, I would like to dispel some of the confusion around hooks, because not only are they the way to code in WordPress, but they also teach us a great design pattern for development in general. Explaining this in depth will take a bit of time, but bear with me: by the end, you’ll be able to jumble hooks around like a pro.

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WordPress Essentials: How To Create A WordPress Plugin

WordPress plugins are PHP scripts that alter your website. The changes could be anything from the simplest tweak in the header to a more drastic makeover (such as changing how log-ins work, triggering emails to be sent, and much more).

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Whereas themes modify the look of your website, plugins change how it functions. With plugins, you can create custom post types, add new tables to your database to track popular articles, automatically link your contents folder to a “CDN” server such as Amazon S3… you get the picture.

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WordPress Essentials: Interacting With The WordPress Database

While many functions you already use in WordPress communicate with the database there is an easy and safe way to do this directly using the $wpdb class. Built on the great ezsql class by Justin Vincent, $wpdbwill allow you to address queries to any table in your database, and it will also help you handle the return data. Since this is built in WP functionality, there is no need to open a separate database connection (you would be duplicating code in this case), and there is no need to do hacks, like modifying a result set after it has been queried.

$wpdb class

In this article I will show you how to get started with the $wpdb class, how to retrieve data from your WordPress database and how to run more advanced queries which update or delete something in the db. The techniques here will remove some of the contraints that you run into with functions like get_posts() or wp_list_categories(), allowing you to tailor the queries you make to your specific needs. This method can also make your website more efficient by only getting the needed data, nothing more, nothing less.

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