Fatal error: Uncaught Error: Class 'HTMLPurifier_DefinitionCache' not found in C:\web\qhzyy\vendor\ezyang\htmlpurifier\library\HTMLPurifier\DefinitionCache\Decorator.php:3 Stack trace: #0 {main} thrown in C:\web\qhzyy\vendor\ezyang\htmlpurifier\library\HTMLPurifier\DefinitionCache\Decorator.php on line 3