I have a custom column listing a post_meta value for each post in the post list screen. I could only find information on how to make a custom post type sortable. How do I make this sortable? Thanks in advance.
add_filter('manage_posts_columns' , 'ws_add_manufacturer_column');
function ws_add_manufacturer_column($defaults){
$defaults['manufacturer'] = 'Manufacturer';
return $defaults;
}
add_action('manage_posts_custom_column', 'ws_add_manufacturer_content',
10, 2);
function ws_add_manufacturer_content($column_name, $post_ID) {
if ($column_name == 'manufacturer') {
$manufacturer_name = get_post_meta( $post_ID, 'wccaf_manufacturer',
true );
if ($manufacturer_name) {
echo $manufacturer_name;
}
}
}