Demystifying the WordPress Hook System

If you've been developing websites with WordPress (including plugin and theme development) chances are you’ve heard these terms: Hooks, Actions, and Filters. WordPress uses the Event-driven Architecture Pattern.

Are you new to WordPress development or finding it difficult to understand the basic concepts? I can’t recommend highly enough Simon Codrington’s Introduction to WordPress Plugin Development tutorial. He did a great job of explaining Actions, and Filters.

In this tutorial, I will be demystifying the WordPress hook system, leaving no stone unturned. Without further ado, let’s get started.

Hooks, Actions, Filters. What Are They?

'Hooks' are basically events triggered by WordPress core, themes and plugins at various stages of their execution or interpretation by PHP. When these events are triggered, all the functions and/or class methods hooked or attached to them are executed in their correct order.

Hooks come in two forms, Actions and Filters. While the former is used to add and remove features or functionalities at various stages of execution process, the latter modifies the behavior of various features and implementations. Don’t worry if you still don’t understand. You will when we start seeing some code examples below.

Importance of the Hook System in WordPress

The importance of the hook system in WordPress is simply extensibility. It makes it possible to add and remove features, as well as tweak/modify the implementation of features in WordPress core, plugins and themes.

When you write extensible plugins and themes, you make it possible for other developers to improve and extend them without ever editing the core source code.

Continue reading %Demystifying the WordPress Hook System%

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This Week's HTML5 and Browser Technology News (Issue 237)

Read this e-mail on the Web HTML Weekly Issue 237 — April 27, 2016 A Basic HTML5 Template For Any Project Louis Lazaris What are the bare elements you need and how can they come together? Originally published in 2013 but updated for 2016. Front-End Performance: The Dark Side Mathias Bynens A focus on security-sensitive situations in which performance can actually be a bug rather than a feature. HTML5 Media Source Extensions: Bringing Production Video To The Web Stefan Lederer The future of video on the web looks bright. In the future, we won’t need multiple formats, nor (obviously) Flash. HTML5 MPEG-DASH streaming is coming. Building Your HTML5 Project? Host with Linode Linode  Sponsored Linode's SSD hosts are the perfect environment for any HTML5, CSS, and JavaScript media. Meet your website's demands with a lightening-quick cloud host offered at competitive pricing. 99.9% uptime and 24/7 support. Improving the Quality of Your CSS with PostCSS Pavels Jelisejevs Pavels explores how PostCSS (the CSS post-processor) can help improve and maintain your CSS quality with code linting and analysis. Build an Interactive Carousel for Email Geoff Phillips HTML support in email clients continues to improve (very slowly) meaning you can now produce simple ‘carousels’ with fallback options, given enough code and patience. No More Tools (video) Karolina Szczur A look at up-to-date front-end tooling as well as alternative approaches to compiling, building and automation that emphasize the human side of teamwork. Jobs Job Offers. No resume necessary.Create your Hired profile to get top companies to start applying to hire you. Get offers from $75,000 - $250,000 on the platform in 1 week. Hired.com In brief 3 day Ember.js Workshop - Munich, May 30th to June 1st 2016 news This workshop takes participants through building a full Ember.js application using modern Ember.js patterns.  simplabs SPONSOR WebKit Updating Its Prefixing Policy news WebKit’s new feature policy is to implement experimental features unprefixed, behind a runtime flag.  WebKit How to Design Rich Card-Based Layouts with Semantic UI tutorial  Ivaylo Gerchev Making the Switch Away from Icon Fonts to SVG: Converting Font Icons to SVG tutorial  Sara Soueidan Styling Text With SVG Filters tutorial A walkthrough of recreating a textual effect from US currency.  John D. Jameson Getting Started with PostCSS: A Quick Guide for Sass Users tutorial  Svilen Gospodinov Almost Complete Guide to Flexbox (without Flexbox) tutorial A cheatsheet-esque guide that offers backwards compatible alternatives to flexbox properties.  Kenan Yusuf The Tilde CSS Selector, Use Carefully tutorial Tips on how to avoid misusing the tilde selector.  Martin Falkus Using the Web Audio API and WAD Library to Generate Sounds tutorial  Web Designer React, IoT, Bots, APIs: Why Web Development Needs a Change opinion  Keith Horwood A Revised Subgrid Specification opinion Some thoughts on the revised subgrid proposal for the CSS Grid Layout specification.  Rachel Andrew You Might Not Need A CSS Framework opinion Highlighting some of the drawbacks of using a CSS framework.  Belén Albeza Chart.js: Open Source HTML5 and JS Charting tools  Chart.js Diffee Checker: Instant Visual Diffing with CSS Blend Modes tools Enter two URLs (local is fine) and visually compare them with an overlay.  Una Kravets Bootstrap 4 Cheat Sheet tools A quick reference for Bootstrap v4.0.0-alpha.2  Alexander Rechsteiner ClippyJS: Add Clippy to Any Web Page for Instant Nostalgia code  Scrollbear: Maintain Scroll Position As Images Load On A Page code  Howard Chang Hamburger Menu Animations code  Jonathan Suh Upcoming React Native Workshops with Scott Moss course If you’re a JavaScript developer looking to build native apps or a native app developer looking to build in the same paradigm across multiple platforms, this workshop is for you.  Frontend Masters SPONSOR Curated by Peter Cooper and published by Cooper Press. Want to post a job? E-mail us or use our self-serve system. Unsubscribe : Change email address : Read this issue on the Web Published by Cooper Press Ltd. Office 30, Lincoln Way, Louth, LN11 0LS, UK

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New Coffee Break Course: Create Web Components With X-Tag

A Bear’s-Eye View of Yellowstone

Incredible long scrolling One Pager that takes us on a journey with 4 bears as they navigate the heart of Yellowstone, as seen from the bears’ own point of view. Yes, there is a footer site navigation that we don't normally allow (as this makes the website technically multiple-page). But what an excellent reference to a Long-form Journalism website - a big trend in digital publications that we're seeing much more of. Make sure you read the case-study by Hello Monday that dives deep in the build. Stellar work by them.

by Rob Hope via One Page Love

This Week in Mobile Web Development (#105)

Read this on the Web Mobile Web Weekly April 27, 2016   #105 Chris Brandrick recommends The Web is DOOM — The average Web page weight now equals that of the original DOOM game install from the 90s. Ronan Cremin Brian Rinaldi recommends Chrome Reaches 1 Billion Monthly Mobile Users with 50th Release Kellen Beck Holly Schinsky recommends Solve Layout Problems: Guide to Flexbox — Wes Bos explains the fundamental concepts behind Flexbox and how to easily use it for creating responsive layouts. Creative Bloq Brian Rinaldi recommends Wait! The Web Isn't Dead After All. Google Made Sure of It — The app universe and the web are not mutually exclusive. We use the both. Just maybe, the web is more alive than ever. Cade Metz Sponsored by Hired.com Work on a Better Stack — On Hired, engineers typically get 5+ job offers in 1 week. Find that new opportunity you've been craving and get access to 3,500+ companies instantly. Hired.com Peter Cooper recommends Publishers Find Google's AMP Speeds Up Pages, But Ads Are Still Slow — The mobile web is getting faster thanks to Google’s AMP program, but the ads are still slow to load. Digiday Holly Schinsky recommends All You Need to Know About Web Rendering — An explanation of the web rendering process including practical advice to help you optimize your own apps. Ilya Pestov Chris Brandrick recommends The Tilde CSS Selector, Use Carefully — Tips on how to avoid misusing the tilde selector. Martin Falkus Chris Brandrick recommends Hover On Touch: JavaScript Plugin for An Alternative Hover Function on Mobile Devices — A pure Javascript Plugin for an alternative hover function on mobile devices. It shows secondary information on Taphold and goes to a link on Tap. Vinzenz Aubry Peter Cooper recommends Angular 2 + React Native: The Best of Both Worlds? — Angular and React? Here’s a look at work being done to render Angular 2 apps with React Native to make cross-platform native app development easier. Angular Team Brian Rinaldi recommends Designing an Alternative to the Hamburger Menu Scott Jensen Design Holly Schinsky recommends Introducing: Star Track by PhoneGap — Star Track is a new app based on the Spotify API and Framework7 with a goal of helping users get started building their first hybrid app quickly. PhoneGap Blog Brian Rinaldi recommends Use The Device Camera In An Ionic 2 Android And iOS App — Learn how to take pictures using the Android and iOS camera in an Ionic 2 TypeScript cross platform application. Nic Raboy Holly Schinsky recommends Integrating Ionic 2 with the Dropbox API – Part 2 — In part 2 Josh shows how to implement authentication by adding a login screen to trigger the Dropbox OAuth 2 flow and retrieve a user’s access token. Josh Morony Brian Rinaldi recommends Mobile Ad Blocking Is Real, But New Data Suggests It Might Not Matter — While mobile ad blocking apps initially caused a dip in number of ads, it’s since rebounded, according to a new report. Patrick Kulp Chris Brandrick recommends The Importance of Bottom Navigation — How research on mobile device use can improve mobile UX design. Joe Hewitson Holly Schinsky recommends On Paid App Store Search Results Marco Arment Holly Schinsky recommends The Complete Ionic Push Notifications Guide — A new version of this guide is now available to help you implement push notifications with the latest version of Ionic and the PhoneGap Push Plugin. Devdactic Holly Schinsky recommends PhoneGap Build now supports Windows 10 and PhoneGap CLI 6.1.0 — PhoneGap Build now supports Windows 10 and Windows 8.1 for building apps (previously only Win Phone 8.1 was supported). PhoneGap Build Brian Rinaldi recommends Adblocking is Helping The Digital Sharks Eat The Minnows - What's The Solution? — Ad blocking software companies are allowing big name advertisers to buy their way out of being blocked, all while the revenue of some small sites has been cut in half or worse. Andrew Brown Holly Schinsky recommends Announcing the Release of Ionic 2 Beta 6 — Ionic 2 Beta 6 includes new features like Virtual Scroll, a Loading component, Theming, Hardware Back Button handling and more. The Official Ionic Blog Sponsored by GONATIVE.IO Convert existing websites to native Android & iOS apps, no changes required — Check our examples, or try it out for free! GONATIVE.IO Curated by Brian Rinaldi and Holly Schinsky for Cooper Press. Cooper Press is located at Office 30, Fairfield Enterprise Centre, Louth, LN11 0LS, UK Update your email address or stop receiving MWW here

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How to Work With Excel Documents Using Python

How to Use the Pinterest Bulk Editor to Create Promoted Pins

Looking for a faster way to create promoted pins on Pinterest? Have you tried the Pinterest bulk editor tool? Pinterest’s bulk editor tool makes it easier to create and edit promoted pins and optimize multiple promoted pins at one time. In this article you’ll discover how to create promoted pins in less time with Pinterest’s [...]

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- Your Guide to the Social Media Jungle

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