Commit 98529b93 authored by drumm's avatar drumm
Browse files

#104352 by pwolanin. Dissallow the type name '0' which confuses Drupal.

parent b1c11d26
......@@ -237,6 +237,10 @@ function node_type_form_validate($form_id, $form_values) {
if (!preg_match('!^[a-z0-9_]+$!', $type->type)) {
form_set_error('type', t('The machine-readable name can only consist of lowercase letters, underscores, and numbers.'));
// The type cannot be just the character '0', since elsewhere we check it using empty().
if ($type->type === '0') {
form_set_error('type', t("Invalid type. Please enter a type name other than '0' (the character zero)."));
$names = array_flip($types);
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