Ticket #21650: 21650.diff

src/wp-includes/class-wp-object-cache.php

@@ -557 +557 @@
                 echo '</p>';
                 echo '<ul>';
                 foreach ( $this->cache as $group => $cache ) {
-                        echo '<li><strong>Group:</strong> ' . esc_html( $group ) . ' - ( ' . number_format( strlen( serialize( $cache ) ) / KB_IN_BYTES, 2 ) . 'k )</li>';
+                        try {
+                                echo '<li><strong>Group:</strong> ' . esc_html( $group ) . ' - ( ' . number_format( strlen( serialize( $cache ) ) / KB_IN_BYTES, 2 ) . 'k )</li>';
+                        } catch( Exception $e ) {
+                                echo '<li><strong>Group:</strong> ' . esc_html( $group ) . ' - ( ' . number_format( strlen( print_r( $cache, true ) ) / KB_IN_BYTES, 2 ) . 'k )</li>';
+                        }
                 }
                 echo '</ul>';
         }