function theme_file_upload_help

Returns HTML for help text based on file upload validators.

Parameters

$variables: An associative array containing:

• description: The normal description for this field, specified by the user.
• upload_validators: An array of upload validators as used in $element['#upload_validators'].

Related topics

File

modules/file/file.field.inc, line 940

Code

function theme_file_upload_help($variables) {
    $description = $variables['description'];
    $upload_validators = $variables['upload_validators'];
    $descriptions = array();
    if (!empty($description)) {
        $descriptions[] = $description;
    }
    if (isset($upload_validators['file_validate_size'])) {
        $descriptions[] = t('Files must be less than !size.', array(
            '!size' => '<strong>' . format_size($upload_validators['file_validate_size'][0]) . '</strong>',
        ));
    }
    if (isset($upload_validators['file_validate_extensions'])) {
        $descriptions[] = t('Allowed file types: !extensions.', array(
            '!extensions' => '<strong>' . check_plain($upload_validators['file_validate_extensions'][0]) . '</strong>',
        ));
    }
    if (isset($upload_validators['file_validate_image_resolution'])) {
        $max = $upload_validators['file_validate_image_resolution'][0];
        $min = $upload_validators['file_validate_image_resolution'][1];
        if ($min && $max) {
            $descriptions[] = t('Images must be at least !min pixels. Images larger than !max pixels will be resized.', array(
                '!min' => '<strong>' . $min . '</strong>',
                '!max' => '<strong>' . $max . '</strong>',
            ));
        }
        elseif ($min) {
            $descriptions[] = t('Images must be at least !min pixels.', array(
                '!min' => '<strong>' . $min . '</strong>',
            ));
        }
        elseif ($max) {
            $descriptions[] = t('Images larger than !max pixels will be resized.', array(
                '!max' => '<strong>' . $max . '</strong>',
            ));
        }
    }
    return implode('<br />', $descriptions);
}