Unserialize array in PHP (from Advanced Custom Fields PRO, in this example)

functions.php

<?php

/**
 * Get one value from an serialized array example
 * 
 * @link http://stackoverflow.com/questions/8192789/getting-one-value-out-of-a-serialized-array-in-php#8192803
 *
 * @author Nick Davis
 *
 * @return array
 */
function nd_unserialise_array_acf_example( $location ) {
	
	$map = unserialize( get_term_meta( $location->term_id, 'ta_location_map', true ); );

 	return $map;

}