Ticket #57762: 57762.diff

src/wp-includes/class-wpdb.php

@@ -1801 +1801 @@
          *                Call wpdb::prepare() or wpdb::_real_escape() next.
          */
         public function esc_like( $text ) {
+                $text = $text ?? '';
                 return addcslashes( $text, '_%\\' );
         }