Ticket #34619: 34619.2.patch

wp-admin/includes/upgrade.php

@@ -155 +155 @@
         if ( is_multisite() ) {
                 $first_post = get_site_option( 'first_post' );
 
-                if ( empty($first_post) )
-                        $first_post = __( 'Welcome to <a href="SITE_URL">SITE_NAME</a>. This is your first post. Edit or delete it, then start writing!' );
+                if ( empty($first_post) ) {
+                        $first_post = sprintf(
+                                /* translators: %s: site name */
+                                __( 'Welcome to %s. This is your first post. Edit or delete it, then start writing!' ),
+                                '<a href="' . esc_url( network_home_url() ) . '">' . get_current_site()->site_name . '</a>'
+                        );
+                }
 
-                $first_post = str_replace( "SITE_URL", esc_url( network_home_url() ), $first_post );
-                $first_post = str_replace( "SITE_NAME", get_current_site()->site_name, $first_post );
         } else {
                 $first_post = __( 'Welcome to WordPress. This is your first post. Edit or delete it, then start writing!' );
         }