functions.php

<?php

require get_theme_file_path('/inc/search-route.php');

function university_custom_rest() {
  register_rest_field('post', 'authorName', array(
    'get_callback' => function() { return get_the_author(); }
  ));
}

add_action('rest_api_init', 'university_custom_rest');

function pageBanner($args = NULL) {

  if ( !$args['title'] ) {
    $args['title'] = get_the_title();
  }
  if ( !$args['subtitle'] ) {
    $args['subtitle'] = get_field('page_banner_subtitle');
  }
  if ( !$args['bgImage'] ) {
    $args['bgImage'] = get_field('page_banner_background_image')['sizes']['pageBanner'];
    if ( ! $args['bgImage'] ) {
      $args['bgImage'] = get_theme_file_uri('/images/ocean.jpg');
    }
  } 

  ?>
  <div class="page-banner">
    <div class="page-banner__bg-image" style="background-image: url(<?php echo $args['bgImage']; ?>);">
    </div>
    <div class="page-banner__content container container--narrow">
      <h1 class="page-banner__title"><?php echo $args['title']; ?></h1>
      <div class="page-banner__intro">
        <p><?php echo $args['subtitle']; ?></p>
      </div>
    </div>  
  </div>
  <?php  
}

// load CSS and javascript files
function university_files() {
  wp_enqueue_script('googleMap', '//maps.googleapis.com/maps/api/js?key=AIzaSyAscX0N2UhDyc166yI8HgIS6Pmg0zG_9T4', NULL, 1.0, true );   
  wp_enqueue_script('main-university-js', get_theme_file_uri('/js/scripts-bundled.js'), NULL, microtime(), true );
  wp_enqueue_style('custom-google-fonts', '//fonts.googleapis.com/css?family=Roboto+Condensed:300,300i,400,400i,700,700i|Roboto:100,300,400,400i,700,700i');
  wp_enqueue_style('font-awesome', '//maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css');
  wp_enqueue_style('university_main_styles', get_stylesheet_uri());
  wp_localize_script('main-university-js', 'universityData', array(
    'root_url' =>  get_site_url()
  ));
}

add_action('wp_enqueue_scripts', 'university_files');

function university_features(){

  add_theme_support('title-tag');
  add_theme_support('post-thumbnails');
  add_image_size('professorLandscape', 400, 260, true);
  add_image_size('professorPortrait', 480, 650, true);
  add_image_size('pageBanner', 1500, 350, true);
}
add_action('after_setup_theme', 'university_features');

function university_adjust_queries($query) {

   if ( !is_admin() AND is_post_type_archive('campus') AND $query->is_main_query() ) {
    $query->set('posts_per_page', -1);
  } 
  if ( !is_admin() AND is_post_type_archive('event') AND $query->is_main_query() ) {
    $today = date('Ymd');
    $query->set('meta_key', 'event_date');
    $query->set('orderby', 'meta_value_num');
    $query->set('order', 'ASC');
    $query->set('meta_query', array(
        'key' => 'event_date',
        'compare' => '>=',
        'value' => $today,
        'type' => 'numeric'
    ));
  }
  
  if ( !is_admin() AND is_post_type_archive('program') AND $query->is_main_query() ) {
    $query->set('orderby', 'title');
    $query->set('order', 'ASC');
    $query->set('posts_per_page', -1);
  }
}
add_action('pre_get_posts', 'university_adjust_queries' );

function universityMapKey($api) {
  $api['key'] = 'AIzaSyAscX0N2UhDyc166yI8HgIS6Pmg0zG_9T4';
  return $api;
}

add_filter('acf/fields/google_map/api', universityMapKey);