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Fix some hackificator odds and ends in wp-admin:
* `wp-activate.php` and `wp-admin/themes.php` don't need the closing PHP tag * Switch single quotes for HTML attribute values to double in a few places * Convert `include_once file.php` syntax to `include_once( 'file.php' )` * Add access modifiers to methods/members in: `_WP_List_Table_Compat`, `Walker_Nav_Menu_Edit`, `Walker_Nav_Menu_Checklist`, `WP_Screen`, `Walker_Category_Checklist` * `edit_user()` doesn't need to import the `$wpdb` global * `wp_list_widgets()` doesn't need to import the `$sidebars_widgets` global * switch/endswitch syntax is not supported in Hack * A `<ul>` in `wp-admin/users.php` is unclosed See #27881. git-svn-id: https://develop.svn.wordpress.org/trunk@28500 602fd350-edb4-49c9-b593-d223f7449a82
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@@ -227,6 +227,7 @@ class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
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$this->error = $this->upgrader->strings[$error];
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if ( is_wp_error($error) ) {
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$messages = array();
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foreach ( $error->get_error_messages() as $emessage ) {
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if ( $error->get_error_data() && is_string( $error->get_error_data() ) )
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$messages[] = $emessage . ' ' . esc_html( strip_tags( $error->get_error_data() ) );
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