joelstransky

<?php
/*
 * This snippet is from a project where I used an ACF Options gallery field to collect a set of icons.
 * This fields data was then used to replace a radio field's options with the actual icons.
 */
class Special_Excerpt_Icon {
  function __construct() {
    // filter load_field on all 'radio' fields
    add_filter('acf/load_field/type=radio', array($this, 'on_acf_load_radio_field' ) );
  }

joelstransky

<?php
$all_tax_a_terms = get_terms( array( 'taxonomy' => 'taxonomy_a', 'hide_empty' => false) );
foreach ($all_tax_a_terms as $a_term) {
  $b_terms_set_to_a_term = get_terms( array(
    'taxonomy' => 'taxonomy_b',
    'meta_key'  => 'acf-key-for-taxonomy-b',
    'meta_value'  => $a_term->slug,
    'hide_empty' => false )
  );
}

joelstransky

<?php
if ( ! function_exists('paginate_links_as_bootstrap') ) :
/**
 * paginate_links_as_bootstrap()
 * JPS 20170330
 * Wraps paginate_links data in Twitter bootstrap pagination component
 * @param array $args {
 *     Optional. {@see 'paginate_links'} for native argument list.
 *
 *     @type string $nav_class          classes for <nav> element. Default empty.

joelstransky

<?php
/**
 * This is a temporary fix needed to repair the issue mentioned here:
 * https://core.trac.wordpress.org/ticket/40090
 */
add_filter( 'wp_nav_menu_args', 'replace_default_menu_walker', 10, 1 );
function replace_default_menu_walker( $args ) {
  if ( empty($args['walker']) )
    $args['walker'] = new Walker_Nav_Menu_40090;
  return $args;

joelstransky

<?php
if ( ! function_exists('write_log')) {
   function write_log ( $log )  {
      if ( is_array( $log ) || is_object( $log ) ) {
         error_log( print_r( $log, true ) );
      } else {
         error_log( $log );
      }
   }
}

joelstransky

<?php
class F6_DRILL_MENU_WALKER extends Walker_Nav_Menu
{
	/*
	 * Add vertical menu class
	 */
	 
	function start_lvl( &$output, $depth = 0, $args = array() ) {
		$indent = str_repeat("\t", $depth);
		$output .= "\n$indent<ul class=\"vertical menu\">\n";

joelstransky

/**
 * https://philipwalton.com/articles/normalizing-cross-browser-flexbox-bugs/
 * 1. Avoid the IE 10-11 `min-height` bug.
 * 2. Set `flex-shrink` to `0` to prevent Chrome, Opera, and Safari from
 *    letting these items shrink to smaller than their content's default
 *    minimum size.
 */
.Site {
  display: flex;
  flex-direction: column;

joelstransky

// demo: http://codepen.io/JoelStransky/pen/VKPVAG
// breakpoint list ('column type', 'screen breakpoint', 'container width @ break point')
$breakpoints: ( ('xs', $screen-xs, $screen-xs), ('sm', $screen-sm, $container-sm), ('md', $screen-md, $container-md), ('lg', $screen-lg, $container-lg) );

@mixin make-fixed-grid() {
  @each $item in $breakpoints {
    @media (min-width: #{nth($item, 2)} ) {
      // background: red;
      @include make-fixed-grid-columns( $grid-columns, nth($item, 1), width, nth($item, 3) );
    }

joelstransky

<?php $field = get_field_object('field_123a456b78c90'); ?>

joelstransky

<?php
add_filter('acf/prepare_field', 'acf_prepare_field__inject_form_fields');
function acf_prepare_field__inject_form_fields( $field ) {
  if ( ! is_admin() ) {
    // look for the field AFTER where we want to inject something
    // I used a switch to make it easier to react to multiple insertion points
    switch ($field['key']) {
      case 'field_123a456b78c90': 
        acf_form_inject__excerpt();
        break;