function nodewords_admin_max_size_validate in Nodewords: D6 Meta Tags 6.3

Same name and namespace in other branches

1. 6.2 nodewords_admin/nodewords_admin.admin.inc \nodewords_admin_max_size_validate()

Function to validate the maximum meta tags length.

1 string reference to 'nodewords_admin_max_size_validate'

nodewords_admin_settings_form in nodewords_admin/nodewords_admin.admin.inc

Menu callback: settings form.

File

nodewords_admin/nodewords_admin.admin.inc, line 236

Administration interface for Nodewords.

Code

function nodewords_admin_max_size_validate($element, &$form_state) {
  if (!empty($element['#value'])) {
    $value = trim($element['#value']);
    if (empty($value) || !empty($value) && (!is_numeric($value) || $value <= 0)) {
      form_error($element, t('The value must be a positive integer.'));
    }
  }
}