[SOLVED] - Update server PHP gives error on 2.3 version

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PHP Warning:  count(): Parameter must be an array or an object that implements Countable in /xxxxx/xxxxx/xxxxx/xxxxx/public_html/catalog/model/tool/path_manager.php on line 49

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if (count($banned_cats) && (count($categories) > 1)) {
        if (in_array($path[$key], $banned_cats)) {
						unset($path[$key]);
				} else if (preg_match('#[_=](\d+)$#', $path[$key], $cat)) {
					if (in_array($cat[1], $banned_cats)) {
						unset($path[$key]);
          }

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Warning: count(): Parameter must be an array or an object that implements Countable in /home/XXXXXXX/domains/XXXXXXX/public_html/catalog/controller/extension/module/so_latest_blog.php on line 190

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$blogs =  array();
190  	if(count($str_categorys) && $str_categorys != "")
		{
			$filter_data = array(
				'category_id'	=> $str_categorys,
				'sort'  		=> $setting['sort'],
				'order' 		=> $setting['order'],
				'start' 		=> 0,
				'limit' 		=> $setting['limit']
			);
			$blogs = $this->model_extension_module_so_latest_blog->getListBlogs($filter_data);
			
			$users = $this->model_extension_module_so_latest_blog->getUsers();
			

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REPLACE:
if(count($str_categorys) && $str_categorys != "")

WITH:
if (!empty($str_categorys))