array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead

    public function getContentArea($con, $area = [])
    {
        if (!$area) {
            $area = session('sys_areainfo');
        }
        if ($area) {
            $categorymodel = new CategoryModel();
            $misarea = $categorymodel->where(['id'=>$con['cid']])->value('areacontitle');
            $con['alltitle'] = array_key_exists("alltitle", $con) ? $con['alltitle'] : $con['title'];
            $con['alltitle'] = $misarea ? $area['stitle'].$con['alltitle'] : $con['alltitle'];

            $mainurlopen = false;
            if (!config('sys.seo_default_area')) { //未设置默认地区情况下启用
                $areastr = isset($con['area']) ? $con['area'] : '';
                if (!$areastr || $areastr == ',,') {
                    $mainurlopen = true;//不存在地区
                }else{
                    if (strstr($areastr, ',88888888,')) {