loop through keys

post-meta-loop.php

	<?php 

			$details = array(
				'Garage Capacity'	=> get_post_meta( get_the_ID(), '_listing_garage_capacity', true ),
				'Garage Type'	=> get_post_meta( get_the_ID(), '_listing_garage_type', true ),
				'Heating'	=> get_post_meta( get_the_ID(), '_listing_heating', true ),
				'Cooling'	=> get_post_meta( get_the_ID(), '_listing_cooling', true ),
				'Basement'	=> get_post_meta( get_the_ID(), '_listing_basement', true ),
				'Water Frontage'	=> get_post_meta( get_the_ID(), '_listing_water_frontage', true ),
				'Deeded Acres'	=> get_post_meta( get_the_ID(), '_listing_deeded_acres', true ),
				'State Lease'	=> get_post_meta( get_the_ID(), '_listing_state_lease', true ),
				'BLM Lease'	=> get_post_meta( get_the_ID(), '_listing_blm_lease', true ),
				'Forest Service Lease'	=> get_post_meta( get_the_ID(), '_listing_forest_lease', true ),
				'Private Lease'	=> get_post_meta( get_the_ID(), '_listing_private_lease', true ),
				'Irrigated Acres'	=> get_post_meta( get_the_ID(), '_listing_irrigated_acres', true ),
				'Water Rights'	=> get_post_meta( get_the_ID(), '_listing_water_rights', true ),
				'Irrigation Systems'	=> get_post_meta( get_the_ID(), '_listing_irrigation_systems', true ),
				'Improvements'	=> get_post_meta( get_the_ID(), '_listing_improvements_include', true ),
				'Retail Square Feet'	=> get_post_meta( get_the_ID(), '_listing_retail_square_feet', true ),
				'Parking Spots'	=> get_post_meta( get_the_ID(), '_listing_parking_spots', true ),
				'Loading Dock'	=> get_post_meta( get_the_ID(), '_listing_loading_dock', true ),
				'Handicap Accessible'	=> get_post_meta( get_the_ID(), '_listing_handicap_accessible', true ),
				'Security System'	=> get_post_meta( get_the_ID(), '_listing_security_system', true ),
				'Water'	=> get_post_meta( get_the_ID(), '_listing_water', true ),
				'Sewer'	=> get_post_meta( get_the_ID(), '_listing_sewer', true ),
				'Construction'	=> get_post_meta( get_the_ID(), '_listing_construction', true ),
				'Interior Extras'	=> get_post_meta( get_the_ID(), '_listing_interior_extras', true ),
				'Exerior Extras'	=> get_post_meta( get_the_ID(), '_listing_exterior_extras', true ),
				'Access'	=> get_post_meta( get_the_ID(), '_listing_access', true ),
				'Road Access'	=> get_post_meta( get_the_ID(), '_listing_road_access', true ),
				'Property Taxes'	=> get_post_meta( get_the_ID(), '_listing_property_taxes', true ),
				'Zoning'	=> get_post_meta( get_the_ID(), '_listing_zoning', true ),
			);
		?>
			
			<ul class="listing-details-box-list">
			<?php 

				// so that mls and agency ids are listed first in the list
				foreach( $details as $key => $value ) {

					if ( !$value ) {
						continue;
					}

					echo '<li><strong>' . $key . ':</strong> ' . $value . '</li>';

				}
				
			?>
			
		</ul>