Featured center query

// WP_Query arguments
$args = array(
	'post_type'              => array( 'center' ),
	'nopaging'               => true,
	'posts_per_page'         => '1',
	'orderby'                => 'rand',
	'meta_query'             => array(
		'relation' => 'AND',
		array(
			'key'     => 'big_featured_image',
			'compare' => 'EXISTS',
		),
		array(
			'key'     => 'website',
			'compare' => 'EXISTS',
		),
		array(
			'key'     => 'description',
			'value'   => '.',
			'compare' => 'LIKE',
		),
	),
);

// The Query
$featured_center = new WP_Query( $args );

// The Loop
if ( $featured_center->have_posts() ) {
	while ( $featured_center->have_posts() ) {
		$featured_center->the_post();
		// do something
	}
} else {
	// no posts found
}

// Restore original Post Data
wp_reset_postdata();