Help on count function error

Hi,

I am encountering the error:

Message: count(): Parameter must be an array or an object that implements Countable

I am using it as:

if (count($query)>0)

{

...

}

Need help on how to resolve the issue

// 1.create the data object
$data = new stdClass();
$data->query = $query;

// 2.create the array data
$data = [];
$data['query'] = 'SELECT ...';

Why not use this?

PHP Code:

    // -----------------------------------------------------------------------

    /**
     * get()
     *
     * @param  string $orderBy
     * @return object
     */
    public function get($orderBy = '')
    {
        $data = [];

        $query = $this->db->order_by($orderBy)->get($this->tableName);

        if ($query->num_rows() > 0)
        {
            $data = $query->result();
        }

        $query->free_result();
        
        return $data;
    } 


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