As usual, I’m going to say that any number of potential issues can arise depending on your plugins and any customization you may have in your theme etc. I manage a number of WP sites and I have rarely attempted to upgrade by multiple version at once without doing it one version at a time … Read more
For DB upgrades wordpress compares the db version number it hs in the code to the one in the DB. It makes no difference how the new code got there as long as it is the correct one. Which begs to caution that if you go that way you should put wordpress into maintenance mode … Read more
In short, no. But it’s not particularly complicated. Just add a new version_compare block each time you revise the database: $db_version = get_option( ‘my_plugin_version’ ); if ( version_compare( $db_version, ‘1.1’, ‘<‘ ) ) { // Initial update code added in 1.1 } if ( version_compare( $db_version, ‘1.2’, ‘<‘ ) ) { // Additional update code … Read more
Hook (upgrader_process_complete) running moment
I’ve fixed it by creating the following tiny plugin: <?php /* Plugin Name: Fix “Add Media” button in WordPress 4.5 Plugin URI: twitter.com/ojeffery Description: The 4.5 update of WordPress changed to the most recent version of JQuery, which broke the Add Media button when you call wp_editor via the front end. This tiny plugin fixes … Read more
Upgrade by simply overwriting the new version of WordPress files, you will get the prompt of upgrading the database when logged in. Do backup the files & database before trying to do anything so that you can always revert back to the old state in case something goes wrong. Most probably the upgrade will work … Read more
You are almost certainly going to need to write a set of scripts to accomplish what you are looking to do. The first step would be get all of them imported as attachments. You’ve got a great set of specs for those scripts so the next step is to write each of them (actually, each … Read more
Easiest way: Use mod_suphp instead of mod_php. This should just be a matter of using whatever ubuntu’s package manager is to remove mod_php and install mod_suphp instead. mod_suphp is a slightly modified version of mod_php. It does the same thing, but it sets the user of the apache process to be the same as the … Read more
That was not exactly change in code, that was change to better inform people they are not using the method correctly. In line with wpdb documentation you need to properly pass values, or they won’t be properly escaped in query. In your case it would turn into something like: $wpdb->prepare(“SELECT id, name FROM %s”, $table_name) … Read more
Check out the Codex on Upgrading Across Multiple versions. Regarding the upgrading steps, it says: If you plan on upgrading across more than two major releases, please consider upgrading incrementally to avoid potential conflicts and minimize the risks of database damage. For example, if you plan on upgrading from 2.5 to 4.1.1, upgrade to 2.7 … Read more