Events without plugin (wordpress)

Register and display events.

<?php
/**
* Register events post type.
*/
add_action('init', function() {
  $labels = array(
    'name' => _x('Events', 'post type general name'),
    'singular_name' => _x('Event', 'post type singular name'),
    'add_new' => _x('Add New', 'portfolio item'),
    'add_new_item' => __('Add New Event'),
    'edit_item' => __('Edit Event'),
    'new_item' => __('New Event'),
    'view_item' => __('View Event'),
    'search_items' => __('Search Events'),
    'not_found' => __('Nothing found'),
    'not_found_in_trash' => __('Nothing found in Trash'),
    'parent_item_colon' => '',
  );
  $args = array(
    'labels' => $labels,
    'public' => true,
    'publicly_queryable' => true,
    'show_ui' => true,
    'query_var' => true,
    'capability_type' => 'post',
    'hierarchical' => false,
    'menu_position' => null,
    'supports' => array('title', 'editor', 'thumbnail'),
    'rewrite' => true,
    'show_in_nav_menus' => true,
  );
  register_post_type('events', $args);
});
?>

functions.php

Event template.

<?php
  $event_date = get_post_meta(get_the_ID(), 'event_date', true);
  if ($event_date) {
    $event_date = date('M d, Y', strtotime($event_date));
    echo $event_date;
  }
?>

event.php

Events template.

<?php
  $future = date('Ymd', strtotime("+1 year"));
  $past = date('Ymd', strtotime("-1 year"));
  $present = date('Ymd', strtotime("now"));

  $args = array(
    'future' => array(
      'label' => 'Future Events',
      'query_args'=>array(
        'post_type' => 'events',
        'posts_per_page' => -1,
        'meta_query' => array(
          array(
            'key' => 'event_date',
            'value' => array($present, $future),
            'type' => 'numeric',
            'compare' => 'BETWEEN',
          )
        )
      )
    ),
    'past' => array(
      'label' => 'Past Events',
      'query_args' => array(
        'post_type' => 'events',
        'posts_per_page' => -1,
        'meta_query' => array(
          array(
            'key' => 'event_date',
            'value' => array($past, $present),
            'type' => 'numeric',
            'compare' => 'BETWEEN',
          )
        )
      )
    )
  );

  foreach($args as $arg){
    $q = new WP_Query($arg['query_args']);
    printf('<h2>%s</h2>', $arg['label']);
    if ($q->have_posts()) {
      echo '<ul>';
      while ($q->have_posts()) {
        $q->the_post();
        printf(
          '<li><a href="%s">%s</a></li>',
          esc_url(get_permalink()),
          esc_html(get_the_title())
        );
      }
      echo '</ul>';
    } else {
      echo '<p>There are no events at the moment.</p>';
    }
  }
  wp_reset_postdata();
?>

events.php

< toolbox