MCA Current Exhibitions example

exhibitions-current.php

<?php
global $post;

$args = array(
	'post_type' => 'mca_exhibitions',
	'posts_per_page' => -1
);

$myposts = get_posts( $args ); 

foreach ( $myposts as $post ) : 

	setup_postdata( $post ); 

	if ( is_current_exhibition($post->ID) ) :

		$fields = get_post_meta( $post->ID, '_mca_exhibition', true );
		$startDate = $fields['startyear'] . '-' . $fields['startmonth'] . '-' . $fields['startday']; 

		$myExhibits[] = Array( 'startDate' => $startDate, 'post' => $post);

	endif;

endforeach; 

if ( count($myExhibits) > 0 ) : 

	// Sort the records by startDate, using the custom date_compare() function
	usort($myExhibits, 'date_compare');

	foreach ( $myExhibits as $exhibit ) :

		$post = $exhibit['post'];

		setup_postdata( $post ); 

		// A template part containing the markup of the exhibition listing
		get_template_part('exhibition-thumbsquare');

	endforeach;
	
else :

	echo "<p>No Exhibitions</p>";

endif; 

wp_reset_query(); ?>