Using WooCommerce on a multisite network using the hyperdb drop-in, the foreign key check fails although there is a foreign key.
32037e37dd/includes/class-wc-install.php (L745-L763)
The first problem is that hyperdb wasn't designed to route `information_schema` queries. After patching hyperdb, the query is routed to the correct database.
The second problem is that the query still finds zero foreign keys because `$wpdb->dbname` is blank when the query is generated. Hyperdb only has a dbname in the context of a query being executed; hyperdb extracts the table name, then maps that to the correct database.
Although we could find a way to support such `information_schema` queries, they are also not preferred because they are notoriously slow. On WordPress.com they take 300ms, versus 3ms for a `SHOW CREATE TABLE` which similarly reveals the existence of the foreign key.
The proposed changes simplify the check, make it faster, and make it work with hyperdb.
This makes match with WP sanitization for post_title.
WP sanitize post_title using kses_init_filters() when
the current user can't use unfiltered HTML.
It is possible for a later duplicate webhook to be fired too early if
the same webhook triggers in one request more than once with the updated
changes from the second one missing if it happens too quickly.
This queues all webhook to be register on shutdown instead of just
syncronous ones to make sure all data from the request is updated first
before the webhook gets queued.
Since Composer assigns dev versions to locally checked out repositories (most of the time) we need to set this flag. If we don't tell the autoloader we want to use dev versions then it will always prioritize the package classes over the plugin classes.
This was added to get around a limitation in the Jetpack Autoloader 1.x branch. Since dependencies could not be used before `plugins_loaded` without throwing a notice we needed a custom autoloader to run before it in order to prevent the notice from showing.
`wc_round_tax_total` is for when prices are inclusive of taxes, however, shipping taxes can never include taxes so they should always use `round( $price, wc_price_get_decimals() )` instead.
When rounding at subtotal is enabled, line items are already rounded where they need to, so we only should do any further rounding when displaying values and no where else.
This is part of our larger attempt to remove individual rounding as much as possible.
test_static_mocks_can_be_used_via_injected_legacy_proxy_and_woocommerce_object
was failing in PHP 7.0, this replacement fixes it.
Suspected cause: https://bugs.php.net/bug.php?id=76505