text ACF使用子字符串从选择列表中自动填充Country Abbriviation

Posted 2021-04-29

// Auto Populate Country Abbriviation
add_filter('acf/load_value/name=bokning_landskod', function( $value, $post_id, $field ) {

$countrystr = get_field_object('bokning_ursprungsland');
$selectedcountry = $countrystr['value'];
		
$value = substr($selectedcountry, -5);
	
return $value;
 
}, 10, 3);