Laravel 4 seeding from csv file

<?php

class AreasTableSeeder extends Seeder {

    public function run()
    {
        // Uncomment the below to wipe the table clean before populating
        // DB::table('areas')->delete();

        function csv_to_array($filename='', $delimiter=',')
            {
                if(!file_exists($filename) || !is_readable($filename))
                    return FALSE;

                $header = NULL;
                $data = array();
                if (($handle = fopen($filename, 'r')) !== FALSE)
                {
                    while (($row = fgetcsv($handle, 1000, $delimiter)) !== FALSE)
                    {
                        if(!$header)
                            $header = $row;
                        else
                            $data[] = array_combine($header, $row);
                    }
                    fclose($handle);
                }
                return $data;
            }

            /****************************************
            * CSV FILE SAMPLE *
            ****************************************/
            // id,subdireccion_id,idInterno,area,deleted_at,created_at,updated_at
            // ,1,4,AREA MALAGA OCC.,,2013/10/13 10:27:52,2013/10/13 10:27:52
            // ,1,2,AREA MALAGA N/ORIENT,,2013/10/13 10:27:52,2013/10/13 10:27:52

            $csvFile = public_path().'/tabla_areas.csv';

            $areas = csv_to_array($csvFile);


        // Uncomment the below to run the seeder
        DB::table('areas')->insert($areas);
    }

}