Dirty fix for Model::isDirty() in Laravel to honor the $casts attribute

isDirtyFix.php

<?php
    /**
     * Determine if the model or given attribute(s) have been modified.
     *
     * @param Model $m
     * @param  array|string|null $attributes
     * @return bool
     */
    function _is_dirty(Model $m, $attributes = null){

        $castAttribute = new ReflectionMethod(Model::class,"castAttribute");
        $castAttribute->setAccessible(true);

        $props = [
            "original",
            "attributes"
        ];
        //cast every value in original and attributes
        foreach($props as $prop){
            $p = new ReflectionProperty(Model::class,$prop);
            $p->setAccessible(true);
            $o = $p->getValue($m);
            foreach($o as $key => $value){
                if($m->hasCast($key)){
                    $o[$key] = $castAttribute->invoke($m,$key,$value);
                }
            }
            $p->setValue($m, $o);
        }
        return $m->isDirty($attributes);
    }
    
    $m = new Model();
    //old
    // $m->isDirty();
    //new
    _is_dirty($m);