CodeIgniter create new custom exception

Question

I'm trying to create a custom exception to return a correct message based on $_FILES[..]['error'] codes.

I have extended the CI_Exceptions class:

class MY_Exceptions extends CI_Exceptions {
    function My_Exceptions() {
        parent::CI_Exceptions();
    }

    public function file_upload_error($error_code = UPLOAD_ERR_OK) {
        switch ($error_code) {
            case UPLOAD_ERR_INI_SIZE:
                $message = "The uploaded file exceeds the upload_max_filesize directive in php.ini";
                break;
            case UPLOAD_ERR_FORM_SIZE:
                $message = "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form";
                break;
            case UPLOAD_ERR_PARTIAL:
                $message = "The uploaded file was only partially uploaded";
                break;
            case UPLOAD_ERR_NO_FILE:
                $message = "No file was uploaded";
                break;
            case UPLOAD_ERR_NO_TMP_DIR:
                $message = "Missing a temporary folder";
                break;
            case UPLOAD_ERR_CANT_WRITE:
                $message = "Failed to write file to disk";
                break;
            case UPLOAD_ERR_EXTENSION:
                $message = "File upload stopped by extension";
                break;

            default:
                $message = "Unknown upload error";
                break;
        }

        log_message('error', $error_code);
        return $message;
    }    
}

But when I call file_upload_error(1) it says Call to undefined function file_upload_error()

How do I approach this problem?

Your function is defined outside your class?

Thomas Hambach
– Thomas Hambach

2013-04-22 11:01:08 +00:00
Commented Apr 22, 2013 at 11:01 — Thomas Hambach
– Thomas Hambach, Commented Apr 22, 2013 at 11:01
Show us where and how you call this class method.

karmafunk
– karmafunk

2013-04-22 11:06:18 +00:00
Commented Apr 22, 2013 at 11:06 — karmafunk
– karmafunk, Commented Apr 22, 2013 at 11:06

Jerry · Accepted Answer · 2013-04-22 20:59:20Z

2

I get the feeling that you're not using your library class correctly, but it's hard to tell from your question. From a model or controller class, you would use:

$this->load->library('exceptions');
$message = $this->exceptions->file_upload_error($error_code);

when you tell it to load the exceptions library, it automatically looks to see if there's one in your application/libraries/ directory with the MY_ prefix. If it's there, it will load it. Then you access it as with any other library.

Hope that helps.

answered Apr 22, 2013 at 20:59

Jerry

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