Changeset 31349 for trunk/src/wp-admin/setup-config.php

Timestamp:

02/06/2015 04:50:19 AM (10 years ago)

Author:

pento

Message:

WPDB: If a site is using the utf8 charset, and their version of MySQL supports utf8mb4, auto-upgrade them to utf8mb4.

This patch also resizes some indexes, to allow for the 767 byte index size limit in standard MySQL installs.

See #21212

File:

• trunk/src/wp-admin/setup-config.php (modified) (1 diff)

trunk/src/wp-admin/setup-config.php

@@ -281 +281 @@
                 $config_file[ $line_num ] = "define('" . $constant . "'," . $padding . "'" . addcslashes( constant( $constant ), "\\'" ) . "');\r\n";
                 break;
+            case 'DB_CHARSET'  :
+                if ( 'utf8mb4' === $wpdb->charset || ( ! $wpdb->charset && $wpdb->has_cap( 'utf8mb4' ) ) ) {
+                    $config_file[ $line_num ] = "define('" . $constant . "'," . $padding . "'utf8mb4');\r\n";
+                }
+                break;
             case 'AUTH_KEY'         :
             case 'SECURE_AUTH_KEY'  :