Multiple $wpdb->insert Queries Not Creating Permalinks?

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Is your $wpdb->insert multiple post query not generating any permalinks? All you may need is to add in post_name inside your WPDB query.

Using post_name to create multiple permalinks

Your WPDB query should contain a post_name argument.

To create a custom slug for multiple posts, use the method below to generate unique permalinks.

$i = 0;
foreach ( $new_posts as $new_post ) :
     $i++;
     $post = array(
          'post_type' => 'post', //your post type
          'post_title' => 'Hello WP Wizard World!',
          'post_name' => 'custom-post-slug-' . $i,
          'post_date' => date( 'Y-m-d H:i:s' ),
          'post_status' => 'publish',
          'post_author' => 1,
          'comment_status' => 'closed',
          'ping_status' => 'closed',
     );
     $wpdb->insert( 'wp_posts', $post, array( '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) );
endforeach;