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BLOG FILTER

Really cool interface to test and debug Regex. The website also includes a nice regex library.

regex101.com

 

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E-Learning platform for Thailand

 

  1. WPLMS (Learning Management System) setup / tweaks / fixes
  2. WooCommerce tweaks / fixes / optimization
  3. Language setup / localization cleanup / changes
  4. Optimization
  5. BuddyPress tweaks / changes / addons
  6. Custom Teacher commission dashboard (MyCred integration / teacher payout)
  7. Messaging changes and tweaks

 

AjarnOnline

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“WP-CLI is a set of command-line tools for managing WordPress installations”

 

WP-CLI

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Using WordPress as a headless system, is nothing new. You can easily build out your own REST API or use the long available HTTP REST API 1.0+ for WordPress.

But with the new HTTP REST API 2.0+ its getting really easy to build out your own REST API Namespace and assign routes for all your JSON needs.

The new REST API will make its appearance in WordPress 4.4, but you can start now by adding the plugin to your system. When the plugin detects 4.4+ it will only load functionality not already present in the core.

A ROUTE

A route tells the API to respond to a given request with a specific function (endpoint). This adds the permalink structure to WordPress so that your functionality can be accessed via an url like this: http://yourdoman.com/wp-json/yourplugin/v1/myfunction/your_parameter 

THE ENDPOINT

The Endpoint is the callback handled by the route. Each endpoint can have additional parameters attached:

  1. custom permissions
  2. default values
  3. sanitization callback
  4. validation callback
  5. field requirements and more

RETURN VALUE

The return values from the endpoint are converted into JSON. You can use the WP_REST_Response object , this wraps normal body data and allows you to return a custom status code.

Really powerful stuff, that makes it easy to detach WordPress and the actual client using the data provided by it.

You can read more about it here.

Enjoy coding …

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Excel needs to know that you are using non-ASCII characters in your CSV or it will not display them correctly :)

Add the BOM(Byte Order Mark) to the first line, notifying Excel that you are offering a UTF-8 encoded file.

Enjoy coding …

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I am currently working on a WPLMS enhancement for a customer, that allows to simplify the payout of instructor commissions. The whole system runs on the MyCred Points System and students pay for courses with Points. The problem is how to easily payout the instructor commissions via PayPal.

There is currently no addon for MyCred available that does that magic, so I build one myself.

At the moment the payment process via PayPal is completely manual, due to budget constraints. I am basically generating a custom “Send Money” link that prefills the PayPal email and amount to send.

The interface itself handles the payout sessions, tracks the instructor balance, paid and unpaid points.

Here some images to illustrate the admin dashboard:

wplms_points_payout

This list the instructors and their point balance and allows to start the payment process.

wplms_points_payout2

Payout sessions make sure, that only one session can be started per instructor, as the instructor could earn new points during the process. The points converted can be changed, allowing you to payout a fixed amount of points.

Its a 3 step process. Login at PayPal. Open the “Send money” dialog and send money to instructor. Confirm that you manually send the money and than register the payment and payout points in the system.

wplms_points_payout3

The session can be cancelled at any point. You can also leave the session open and continue at a later point.

wplms_points_payout4

On the frontend I added an interface to the BuddyPress Profile, that allows the instructor to track his payouts and balance.

wplms_points_payout5

The whole setup could be updated using PayPal Adaptive Payments, to make the whole process completely automated. Something to consider for the future :) Pretty happy with the manual process so far and it will be a great help for my customer to keep track of the commission payouts.

The whole setup is currently targeted for WPLMS, but can easily be adapted to other setups using the MyCred Points System.

Enjoy coding …

 

 

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Javascript Error tracking is becoming more and more important, with applications moving to the client. Many service providers already offer a variety of extensive error tracking solutions for a price. These providers help to get around browser limitations and get the most out of errors.

Depending on your budget, that might not always be an option and not always needed.

To the rescue comes ErrorBoard, that provides a basic interface to track window.onerror events. Requires Node.js, NPM and a free port.

Here the window.onerror,  how I set it up for now:

Enjoy coding …

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“Prism is a lightweight, extensible syntax highlighter, built with modern web standards in mind.”

Supported languages
Prism

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“In iOS 7.1, a property, minimal-ui, has been added for the viewport meta tag key that allows minimizing the top and bottom bars in Safari as the page loads. While on a page using minimal-ui, tapping the top bar brings the bars back. Tapping back in the content dismisses them again. Brim is a view (minimal-ui) manager for iOS 8”

Brim @ Github

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TWIG allows you to use regular expressions within its templates, this makes it possible to easily check if a post is sticky in Timber for WordPress.

TWIG MATCHES OPERATOR

Comparisons in TWIG

TIMBER TEASE-POST.TWIG

This is the template that is called within the loop on the index.twig to show each post.

The post.class holds the full set of classes assigned to a post, which includes the class “sticky”. We do the match magic and you can use that to style your sticky posts differently ;)

WHAT IS TIMBER?

“Timber helps you create fully-customized WordPress themes faster with more sustainable code. With Timber, you write your HTML using the Twig Template Engine separate from your PHP files.

This cleans-up your theme code so, for example, your php file can focus on being the data/logic, while your twig file can focus 100% on the HTML and display.”

WHAT IS TWIG?

Twig is a modern template engine for PHP

  • Fast: Twig compiles templates down to plain optimized PHP code. The overhead compared to regular PHP code was reduced to the very minimum.
  • Secure: Twig has a sandbox mode to evaluate untrusted template code. This allows Twig to be used as a template language for applications where users may modify the template design.
  • Flexible: Twig is powered by a flexible lexer and parser. This allows the developer to define its own custom tags and filters, and create its own DSL.

Enjoy coding …

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