Ticket #44406: 44406.diff

src/wp-includes/functions.php

@@ -4371 +4371 @@
          */
         if ( WP_DEBUG && apply_filters( 'deprecated_hook_trigger_error', true ) ) {
                 $message = empty( $message ) ? '' : ' ' . $message;
-                if ( ! is_null( $replacement ) ) {
+                if ( ! empty( $replacement ) ) {
                         /* translators: 1: WordPress hook name, 2: version number, 3: alternative hook name */
                         trigger_error( sprintf( __( '%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ), $hook, $version, $replacement ) . $message );
                 } else {