WP Modern Tribe Events Calendar Pro / Past Events Category

wp-moderntribe-past-events.php

<!-- WP Modern Tribe Events Calendar Pro / Auto Publish Past-Date Events to "Past Events" Category, and make Primary Category usin Yoast. This solves the problem of atchiving old Events in Modern Tribe's Events Calendar Pro	-->
<!-- Drop this in your single event template or maker a plugin out of this. -->
  
  <!-- PAST EVENTS SET PRIMARY CATEGORY -->
  
	<?php
  # Grab the events.
  $args = array(
    'post_type' => 'tribe_events',
    'tax_query' => array(
      array(
        'taxonomy' => 'tribe_events_cat',
        'operator' => 'NOT IN',
        'terms'    => array( 106 ),
      ),
    ),
  );
  $eq = new WP_Query( $args );

  # "The Loop"
  if( $eq->have_posts() ) : while( $eq->have_posts() ) : $eq->the_post();
    # The post's ID.
    $id = get_the_ID();
    # The post's end date.
    $end_date = tribe_get_end_date( null, true, 'U' );

    # If "now" is after the end date...
    if( time() > $end_date ) :
      # Add "Past Events" to Post Category.
      wp_set_object_terms( $id, 106, 'tribe_events_cat', true );
      # Set primary term.
      $primaryTermObject = new WPSEO_Primary_Term( 'tribe_events_cat', $id );
      $primaryTermObject->set_primary_term( 106 );
      # Save primary term.
      $primaryTermObjectAdmin = new WPSEO_Primary_Term_Admin();
      $primaryTermObjectAdmin->save_primary_terms( $id );
    endif;

  # End and reset "The Loop"
  endwhile; endif;
  wp_reset_postdata();
?>


<!-- Thanks To @delster for the help! -->