function elf_settings_submit in External Links Filter 5.3

Form submission handler for elf_settings().

See also

elf_settings()

File

./elf.module, line 76

Code

function elf_settings_submit($form_id, $form_values) {
  $domains = array();
  $values = explode("\n", $form_values['elf_domains']);
  foreach ($values as $url) {

    // Remove trailing slashes, because not all users will use those for their
    // links.
    $url = rtrim(preg_replace('#/$#', '', $url));
    if (strlen($url)) {
      $domains[] = $url;
    }
  }
  variable_set('elf_domains', $domains);
}