kodie

<?php
// Array map function that allows you to change keys as well as values
// Example: array_map_assoc(function($k, $v) { return array($k => $v); }, $array);
function array_map_assoc(callable $f, array $a) {
  return array_merge(...array_map($f, array_keys($a), $a));
}
?>

kodie

<?php
// Adds an "image_size" argument to get_avatar_data so that avatar image sizes
// can be defined by the image size name (requires the get_image_sizes function)
// (https://gist.github.com/kodie/19d027d2c0e2297d1e09b7b71505e774)
// Example: get_avatar_url($user_id, array('image_size' => 'thumbnail'));
add_filter('pre_get_avatar_data', 'avatar_data_image_size_arg', 10, 2);
function avatar_data_image_size_arg($args, $id_or_email) {
  if (isset($args['image_size'])) {
    if ($size = get_image_sizes($args['image_size'])) {
      $args['height'] = $size['height'];

kodie

<?php
// Allows for custom avatars to be pulled from usermeta
add_filter('get_avatar_url', 'custom_user_avatar_url', 10, 3);
function custom_user_avatar_url($url, $id_or_email, $args) {
  $image_url = false;
  $user = false;

  if (is_object($id_or_email) && isset($id_or_email->comment_ID)) {
    $id_or_email = get_comment($id_or_email);
  }

kodie

<?php
// Get information about available image sizes
function get_image_sizes($size = null) {
  $sizes = array();
  $size_data = wp_get_additional_image_sizes();
  $size_names = get_intermediate_image_sizes();
  $default_sizes = array_diff($size_names, array_keys($size_data));

  if ($size) $size_names = array($size);

kodie

@mixin grid($cols: 4, $gap: 2rem, $item: '> *') {
  &:after {
    clear: left;
    content: '';
    display: block;
  }

  #{$item} {
    box-sizing: border-box;
    float: left;

kodie

<?php
// Gets user data in the form of an array with user meta attached that has empty results filtered,
// and optionally single results collapsed into a single value and/or only single values returned.
function get_account_info($user_id = null, $collapse = true, $single = false) {
  if (!$user_id) $user_id = get_current_user_id();

  $user = get_userdata($user_id);

  if (!$user) return false;

kodie

<?php
// Stops any emails from sending and instead prints the email message out on the page
add_filter('wp_mail', 'preview_emails', 1, 99);
function preview_emails($args) {
  echo $args['message'];
  die();
}
?>

kodie

<?php
// Takes an array with a term taxonomy as the item keys and term ids as their values and
// returns the same array but with the values set as term ids that have posts associated
// with the term combination. (PHP7 and above only)
function get_term_filter_options($taxonomies, $query_args = array()) {
  array_walk($taxonomies, function(&$value, $taxonomy) use($taxonomies, $query_args) {
    $posts = null;
    $others = array_filter($taxonomies, function($value, $key) use($taxonomy) {
      return $key !== $taxonomy && !empty($value);
    }, ARRAY_FILTER_USE_BOTH);

kodie

<?php
$arr = array(
  array(
    'id'      => 123,
    'amount'  => 39
  ),
  array(
    'id'      => 789,
    'amount'  => 27
  ),

kodie

<?php
// Allows for a custom post detail page
add_action('init', 'hm_alternative_post_page');
function alternative_post_page() {
  add_rewrite_rule('story/([^/]+)/?$', 'index.php?page_id=13317&child_post_name=$matches[1]', 'top');
}

// Setup our custom `child_post_slug` query var for custom post detail pages
add_filter('query_vars', 'alternative_post_page_var');
function hm_alternative_post_page_var($vars) {