function text_field_validate

Implements hook_field_validate().

Possible error codes:

• 'text_value_max_length': The value exceeds the maximum length.
• 'text_summary_max_length': The summary exceeds the maximum length.

File

modules/field/modules/text/text.module, line 118

Code

function text_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
    foreach ($items as $delta => $item) {
        // @todo Length is counted separately for summary and value, so the maximum
        //   length can be exceeded very easily.
        foreach (array(
            'value',
            'summary',
        ) as $column) {
            if (!empty($item[$column])) {
                if (!empty($field['settings']['max_length']) && drupal_strlen($item[$column]) > $field['settings']['max_length']) {
                    switch ($column) {
                        case 'value':
                            $message = t('%name: the text may not be longer than %max characters.', array(
                                '%name' => $instance['label'],
                                '%max' => $field['settings']['max_length'],
                            ));
                            break;
                        case 'summary':
                            $message = t('%name: the summary may not be longer than %max characters.', array(
                                '%name' => $instance['label'],
                                '%max' => $field['settings']['max_length'],
                            ));
                            break;
                    }
                    $errors[$field['field_name']][$langcode][$delta][] = array(
                        'error' => "text_{$column}_length",
                        'message' => $message,
                    );
                }
            }
        }
    }
}