Something

	function buildExpirySelector( $name, $id = null, $selected = null) {		$expiryOptions = wfMsg( 'globalblocking-expiry-options' );				if ($expiryOptions == '-') {			$expiryOptions = wfMsg('ipboptions');		}				$selector = '';				if ($id == null) { $id = $name; }		if ($selected == null) { $selected = 'other'; }				$attribs = array( id => $id, name => $name, onchange => 'considerChangingExpiryFocus()' );				$selector .= xml::openElement( 'select', $attribs );				foreach (explode(',', $expiryOptions) as $option) {			if ( strpos($option, ":") === false ) $option = "$option:$option";			list($show, $value) = explode(":", $option);			$show = htmlspecialchars($show);			$value = htmlspecialchars($value);			$selector .= Xml::option( $show, $value, $value == $selected );		}				$selector .= Xml::option( wfMsg( 'globalblocking-block-expiry-other' ), 'other', 'other' == $selected );				$selector .= Xml::closeElement( 'select' );				return $selector;	}