function user_validate_picture

Validates an image uploaded by a user.

See also

user_account_form()

File

modules/user/user.module, line 691

Code

function user_validate_picture(&$form, &$form_state) {
    // If required, validate the uploaded picture.
    $validators = array(
        'file_validate_is_image' => array(),
        'file_validate_image_resolution' => array(
            variable_get('user_picture_dimensions', '85x85'),
        ),
        'file_validate_size' => array(
            (int) variable_get('user_picture_file_size', '30') * 1024,
        ),
        // file_validate_is_image() uses the image toolkit to validate whether the
        // file is a valid image type, so set file_validate_extensions to an empty
        // array in order to signal to file_save_upload() that there is no need to
        // validate the upload against a default list of file extensions.
'file_validate_extensions' => array(),
    );
    // Save the file as a temporary file.
    $file = file_save_upload('picture_upload', $validators);
    if ($file === FALSE) {
        form_set_error('picture_upload', t("Failed to upload the picture image; the %directory directory doesn't exist or is not writable.", array(
            '%directory' => variable_get('user_picture_path', 'pictures'),
        )));
    }
    elseif ($file !== NULL) {
        $form_state['values']['picture_upload'] = $file;
    }
}