}
// T171345: Add a hidden form element so that other groups can still be manipulated,
// otherwise saving errors out with an invalid expiry time for this group.
- $expiryHtml .= Html::Hidden( "wpExpiry-$group",
+ $expiryHtml .= Html::hidden( "wpExpiry-$group",
$currentExpiry ? 'existing' : 'infinite' );
$expiryHtml .= "<br />\n";
} else {