undefined variable (newbie)

[eluser]langithitam[/eluser]
I have same problem..

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: result

Filename: models/jobs_model.php

Line Number: 9

Code:

<?php
class Jobs_model extends Model {
  function get_jobs() {
    $query = $this->db->get('jobs');
    foreach ($query->result_array() as $row)
    {
      $result[] = $row;
    }
    return $result; <-- this is line 9
  }
  
  function get_job($job_id) {
    $query = $this->db->where('id', $job_id)->get('jobs');
    $result = $query->row_array();
    return $result;
  }
}

what the problem with my result? I'm stuck guys..