add post meta for custom post type

  • add_action('publish_post', 'add_author_fields');
function add_author_fields($post_ID) {
global $wpdb;
$user_id = $wpdb->get_var("SELECT post_author FROM $wpdb->posts WHERE ID = $post_ID");
$sitelink = $wpdb->get_var("SELECT meta_value FROM $wpdb->usermeta WHERE meta_key = 'sitename' AND user_id = $user_id");
add_post_meta($post_ID, 'sitename', $sitelink, true);
}

    This is a working code for the default post type ‘post’. It automatically add a custom field
    but it does not work on other custom post type

    Can anyone help me

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  • Thread Starter Archie Webmaker

    (@weblogian)

    Some kindly help

    add_post_meta () should work on any custom post type.

    You have to make sure that the $post_ID is correct, and remember that meta value names that start with ‘_’ underscore are hidden and will not show up in the post edit screen.

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