Getting to Know The Modulus Operator (%) in PHP
I ran across this code in the index.php file of Alexander Agnarson’s fantastic free Wordpress theme Hueman and couldn’t figure out what it did:<?php if($i % 2 == 0) { echo '</div><div...
View ArticlePHP Conditionals: “if () { }” vs “if () : endif;”
1. Using if () { } if ($value) { }Examples:<?php if () { ?> // stuff here <?php } ?><?php if ( is_active_sidebar( 'welcome' ) ) { ?> <div class="welcome-widget"> <?php...
View ArticleLooping Statements in PHP: The Incrementing Operator (i++)
It could also be written like this:<?php if($i % 2 == 0) { echo '</div><div class="post-row">'; } $i++; endwhile; echo '</div>'; ?>
View ArticleComparison Operators in PHP: “=” vs “==”
Given this bit of PHP:<?php $today = "Monday"; if ($today == "Monday")From Treehouse’s course on PHP: The single equal sign here assigns the value. It actually changes the value in the ‘today’...
View ArticleAssigning Multiple Values to a Variable with Concatenation
While working on an email contact form in Treehouse’s PHP development series, I came across a tricky bit of code that really stumped me. Specifically, how to assign multiple values to a single variable...
View ArticleWorking Backwards: A Sensible Approach to Inserting PHP into HTML
Inserting PHP into HTML can be tricky if you have a lot of code to address. By working backwards and step-by-step we can hopefully avoid some common oversights – such as forgotten closing tags, braces,...
View ArticleThings to check when your code doesn’t work
If you’ve spent any time in the backend of your wordpress theme, chances are good that you’ve encountered the white screen of death (WSOD) at least once. This is when your site fails to load because...
View ArticleTroubleshooting Strings, Double Quotes, and the Simple Syntax of Variable...
Though technically this could go in my previous post, I opted to include it on its own, if only for my own mental clarity. Here’s the nitty gritty, and then I’ll explain it after:// THIS IS WRONG - no...
View ArticleHello, WP_Query
function ggb_display_author_posts() { global $ggb; $args = array( 'author_name' => get_the_title($ggb_members["nickname"]), ); $top10 = new WP_Query( $args ); if( $top10->have_posts() ) { echo...
View ArticleConditional Error When Adding a Custom Body Class
I recently came across a strange error while trying to add the custom body classes has_featured_image and no_featured_image to posts (based on whether they had a featured image or not). Here’s what I...
View ArticlePutting together a local Apache server to run PHP scripts
I was going through Jasko Koyn’s OOP php tutorial (link) and needed a server to execute some of the php scripts. Here’s how I went about it, using Bitnami’s AMP stack. The following instructions are...
View ArticleCodewars JavaScript Kata #1
I’m currently learning a bit of javascript, using a variety of resources, one of them being codewars. So I thought I would post the katas as I work through them (slowly, of course), including my...
View ArticleCodewars JavaScript Kata #2
Correct the following code: [gist id=”420b3f151a6bb94658bb” file=”codewars_javascript_kata_02_problem.js”] Here’s my solution: [gist id=”420b3f151a6bb94658bb”...
View ArticleJekyll + BrowserSync
I’m completely infatuated with watch commands and live reloading. It’s like magic. Here are a couple quick commands that I’ve been using with Jekyll: For Jekyll: jekyll serve --incremental --host...
View ArticleVagrant and VVV setup
Installing Vagrant and VVV (and moving from an old instance to new) Step 1 Install VirtualBox. Step 2 Install VVV via git clone into your chosen dir (Here I’m using my-project-dir as a generic name)....
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