function simple_ldap_sso_encryption_key_element_validate in Simple LDAP 7.2

Same name and namespace in other branches

1. 7 simple_ldap_sso/simple_ldap_sso.admin.inc \simple_ldap_sso_encryption_key_element_validate()

Element validate for the encryption salt variable.

If the submitted value is empty and a previous value exists, it is preserved.

File

simple_ldap_sso/simple_ldap_sso.admin.inc, line 147

Simple LDAP SSO Admin pages.

Code

function simple_ldap_sso_encryption_key_element_validate($element, &$form_state, $form) {
  if (empty($element['#value']) && ($existing_salt = variable_get('simple_ldap_sso_encryption_key'))) {
    form_set_value($element, $existing_salt, $form_state);
  }
}