Codeigniter image resize?

I have problem with image class in CI?

This is example

On controller:

$this->load->library( array('image_lib') );

On view i have this:

    foreach($results as $row)
        {

$config['image_library'] = 'gd2';
$config['source_image'] = '/img/proizvodi/'.$row->proizvodid.'.jpg';
$config['create_thumb'] = TRUE;
$config['maintain_ratio'] = TRUE;
$config['width']     = 75;
$config['height']   = 50;


$this->load->library('image_lib', $config); 
$this->image_lib->resize();
}

But i got no error, and thumb image is not created? I dont know where is mistake?

You shouldn't load image_lib in foreach. Try to use code below

$this->load->library('image_lib');
foreach($results as $row) {
    $config['image_library'] = 'gd2';
    $config['source_image'] = '/img/proizvodi/'.$row->proizvodid.'.jpg';
    $config['create_thumb'] = TRUE;
    $config['maintain_ratio'] = TRUE;
    $config['width']     = 75;
    $config['height']   = 50;

    $this->image_lib->clear();
    $this->image_lib->initialize($config);
    $this->image_lib->resize();
}

If it wont work - check the upload folder permissions.

function uploadimage()
    {

        $file_name                  = $this->input->post('fileName');
        $imageName                  = 'set_'.file_name($_FILES["file"]['name'],date('Ymd_his'));
        $config['image_library']    = 'gd2';
        $config['source_image']     = $imageName;
        $config['create_thumb']     = TRUE;
        $config['maintain_ratio']   = TRUE;
        $config['master_dim']       = 'width'; 
        upload_resize('file','settings', $imageName );
        $config['width']            = 200;
        $config['height']           = 62;

        $this->load->library('image_lib', $config);
        $this->image_lib->initialize($config);
        $this->image_lib->resize();
        $this->image_lib->clear();
        $json_data = array(
                'error'     =>false,
                'tmp_name'  =>$file_name,
                'file_name' =>base_url().'assets/uploads/settings/'.$imageName.'?dummy='.rand(0,1000),
                'file_path' =>$imageName
        );

        echo json_encode($json_data);
    }
}

this code upload image to folder before save to table.

$config['upload_path']          = './berkas/content/';
$config['allowed_types']        = 'gif|jpg|png';
$config['max_size']             = 0;
$config['max_width']            = 1024000;
$config['max_height']           = 7680000;
$config['encrypt_name']           = TRUE;
$config['overwrite']           = FALSE;

$this->load->library('upload', $config);

        $upload_data = $this->upload->data();
        $file_name = $upload_data['file_name'];            
        $params['gambar'] = $file_name;
        $this->load->library('image_lib');
        $config['image_library'] = 'gd2';
        $config['source_image'] = './berkas/content/'.$file_name;
        $config['create_thumb'] = FALSE;
        $config['maintain_ratio'] = TRUE;
        $config['width']     = 550;
        $config['height']   = 350;

$params = array('gambar' => $file_name);