jnicol

/*
 * Add columns to exhibition post list
 */
 function add_acf_columns ( $columns ) {
   return array_merge ( $columns, array ( 
     'start_date' => __ ( 'Starts' ),
     'years'   => __ ( 'Years' ) 
   ) );
 }
 add_filter ( 'manage_exhibition_posts_columns', 'add_acf_columns' );

jnicol

<?php
/*
Plugin Name: Email Return Path Fix
Author: Abdussamad Abdurrazzaq
Author URI: https://abdussamad.com/archives/567-Fixing-the-WordPress-Email-Return-Path-Header.html
*/
class email_return_path {
  	function __construct() {
		add_action( 'phpmailer_init', array( $this, 'fix' ) );    
  	}

jnicol

/**
 * Stop all iframes or HTML5 <video>'s from playing
 */
var stopVideos = function () {
	var videos = document.querySelectorAll('iframe, video');
	Array.prototype.forEach.call(videos, function (video) {
		if (video.tagName.toLowerCase() === 'video') {
			video.pause();
		} else {
			var src = video.src;

jnicol

function copyToClipboard() {
  const cb = navigator.clipboard;
  const el = document.getElementById('my-element');
  cb.writeText(el.innerText);
}

jnicol

/* source: https://stackoverflow.com/a/43763137/315045 */

ol, ul {
  padding-left: 0;
}

li {
  list-style: none;
  padding-left: 1.25rem;
  position: relative;

jnicol

<!--
Only load polyfills for old browsers
@see https://devhints.io/polyfill.io
@see https://polyfill.io
-->
<script>if(!(window.Promise&&[].includes&&Object.assign&&window.Map)){document.write('<script src="https://cdn.polyfill.io/v3/polyfill.min.js"></scr'+'ipt>')}</script>

<!-- Same as above, but also loads Fetch API polyfill -->
<script>if(!(window.fetch&&window.Promise&&[].includes&&Object.assign&&window.Map)){document.write('<script src="https://cdn.polyfill.io/v3/polyfill.min.js?features=default,fetch"></scr'+'ipt>')}</script>

jnicol

<?php
function remove_default_image_sizes( $sizes) {
    // sizes defined in media settings
    unset( $sizes['thumbnail']);
    unset( $sizes['medium']);
    unset( $sizes['large']);
    // auto-generated images since WP 5.3
    unset( $sizes['medium_large']);
    unset( $sizes['1536x1536']);
    unset( $sizes['2048x2048']);

jnicol

<?php
wp_nav_menu( array(
  'theme_location'  => 'my-theme-location',
  'depth'           => 1,
  'container'       => '',
  'container_class' => '',
  'menu_class'      => '',
  'items_wrap' => '%3$s'
));
?>

jnicol

/**
 * Scripts to run when in WordPress Gutenberg editor
 * 
 * Unregister any block styles we don't want user to be able to select
 * or register our own custom block styles.
 */
wp.domReady( () => {
    // Unregister any block styles we don't want user to be able to select
    wp.blocks.unregisterBlockStyle( 'core/quote', 'default' );
    wp.blocks.unregisterBlockStyle( 'core/quote', 'large' );

jnicol

/**
 * Open/close a dropdown menu on hover.
 *
 * The menu does not need to be a child or sibling of the button, but there should be no gap 
 * on screen between the bottom of the button and the top of the menu.
 *
 * The menu will remain open until the user's mouse leaves both the menu and button.
 *
 * Requires jQuery.
 */