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30. August 2017

GreenApe is breathing again

After some downtime, GreenApe is breathing again. I revived the brand with a good friend of mine and we will be reopening shop options shortly.

Michael and I have been friends for a long time. We have been working on many different projects over the years.

He launched GreenApe in 2011 and I helped him with his first steps. A couple of months ago we decided to merge our competences and expand what GreenApe offers and stands for.

From the website:The GreenApe brand was established in 2011. GreenApe’s career began with the 1st Single Malt Whisky Coffee.

As the first of its kind, our coffee is refined with Original Single Malt Whisky. To this day, he pampers many connoisseurs and gourmets with his unique taste. Now there is another reason to rejoice.

From now on, we are continuously expanding the GreenApe product world with several stylish gadgets and useful accessories. For you this means that you will be able to discover even more beautiful, special or practical things in the future.

GreenApe is all about lifestyle & leisure products, fun gadgets and unique food & drinks.
portalZINE NMN | Development meets Creativity | slogan

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Again another Google AMP article, this time dealing with Syntax Highlighting. If you have a code centric website, this is important.

In one of my last articles I talked about a Generic Syntax Highlighter.   This time I want to show you, how to add Syntax Highlighting with GeSHi to a custom template in AMP-WP.

FIRST SOME RESOURCES

Please read up on documentation, as I am not diving into every detail.

  1. AMP-WP – github.com/Automattic/amp-wp / Documentation
    The WordPress AMP integration. We will be using a custom template for our AMP pages.
  2. Crayon Syntax Highlighter github.com/aramk/crayon-syntax-highlighter
    I am using this for Syntax Highlighting on none AMP pages. It adds specific language classes to the code / pre areas, that I am using to configure GeSHi.
  3. GeSHi – github.com/GeSHi/geshi-1.0
    The Syntax Highlighter
  4. phpQuery – github.com/punkave/phpQuery
    DOM Document transversal & modification simplified. You should be able to apply the things below with any other tool as well.
  5. My tweaks on GitHub

ADDING GESHI TO AMP-WP

  1. Upload GeSHi and phpQuery to your desired location on your webserver.
  2. Call the custom template for AMP-WP in your functions.php

    I have an example stored on GitHub
  3. Create a custom template in your themes folder.We could use the following filters, but its easier to use the custom template, due to the GeSHi style setup. The problem is, that the style action is called before the content action within the template. But I am planning to build a TWIG template for myself, as I am running Timber everywhere. That will detach logic and content completely, allowing to rethink some of these things and make styling a lot easier :) So watch out for my next article!

    Add this to the top of your custom template:

    I have an example stored on GitHub. The above works, if you are using Crayon Syntax Highlighter for standard pages.
    If you use something else, this needs to be changed.
  4. Add the GeSHi styles to the amp-custom style tag


    I have an example stored on GitHub.
  5. Output updated amp-wp-content


    I have an example stored on GitHub.
  6. Save and check that your AMP page validates, by adding #development=1 to the end of the url. Check the console for errors.
    Show this page as AMP

Enjoy coding …

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Due to Google AMP (Accelerated Mobile Pages) , I have been looking for a way to effectively do Syntax Highlighting without Javascript in pure PHP.

I was about to write my own, when I found an older article from phoboslab. Thanks Dominic for saving me some time ;) Its not perfect, but close enough.

A simple Syntax Highlighting Class that does just that. The class was not working with PHP 5.4.x+, as it uses  preg_replace() with the /e modifier.

It will not cover all, but its better than nothing :) I will also add a section to my my AMP tweaks article to showcase the integration of Geshi.

Here an updated version using the preg_replace_callback() function.

THE SYNTAX HIGHLIGHT CLASS

THE CSS

USAGE

@GitHub portalzine/UtilityBelt/SyntaxHighlight

Enjoy coding …

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