About page-schedule-grid for LGM

notes-about-page-schedule-grid.php

<?php

/*
 * 1) Use transient for better performance:
 * 
 * Instead of this:
*/

$custom_query = new WP_Query(array(
    'post_type' => 'talk',
    'post_status' => 'any',
    'posts_per_page' => -1,
    // 'orderby' => 'date',
    'orderby' => 'meta_value',
    'meta_key' => '_mem_start_date',
    'order' => 'ASC',
));

/*
 * We can do this:
*/ 

if ( false === ( $custom_query = get_transient( 'lgm16_schedule_grid' ) ) ) {

    // It wasn't there, so regenerate the data and save the transient

    $custom_query = new WP_Query(array(
      'post_type' => 'talk',
      'post_status' => 'any',
      'posts_per_page' => -1,
      // 'orderby' => 'date',
      'orderby' => 'meta_value',
      'meta_key' => '_mem_start_date',
      'order' => 'ASC',
    ));
      	     	 	
    set_transient( 'lgm16_schedule_grid', $custom_query, 12 * HOUR_IN_SECONDS );
      	
  }