Index: /trunk/src/wp-includes/class-wp-user.php
===================================================================
--- /trunk/src/wp-includes/class-wp-user.php	(revision 63394)
+++ /trunk/src/wp-includes/class-wp-user.php	(revision 63395)
@@ -833,5 +833,5 @@
 
 		// Must have ALL requested caps.
-		return array_all( (array) $caps, fn( $cap, $key ) => ! empty( $capabilities[ $cap ] ) );
+		return array_all( (array) $caps, fn( $cap ) => ! empty( $capabilities[ $cap ] ) );
 	}