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# Error Messages Explained

Since PHP 4.2.0, PHP returns an appropriate error code along with the file array. The error code can be found in the error segment of the file array that is created during the file upload by PHP. In other words, the error might be found in $_FILES['userfile']['error'].

`UPLOAD_ERR_OK`

  Value: 0; There is no error, the file uploaded with success.

`UPLOAD_ERR_INI_SIZE`

  Value: 1; The uploaded file exceeds the upload_max_filesize directive in `php.ini`.

`UPLOAD_ERR_FORM_SIZE`

  Value: 2; The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.

`UPLOAD_ERR_PARTIAL`

  Value: 3; The uploaded file was only partially uploaded.

`UPLOAD_ERR_NO_FILE`

  Value: 4; No file was uploaded.

`UPLOAD_ERR_NO_TMP_DIR`

  Value: 6; Missing a temporary folder. Introduced in PHP 4.3.10 and PHP 5.0.3.

`UPLOAD_ERR_CANT_WRITE`

  Value: 7; Failed to write file to disk. Introduced in PHP 5.1.0.

> Note: These became PHP constants in PHP 4.3.0.

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