Как правильно заменить intval id на string id в router.php? - SEF (ЧПУ)

function MyTestComponentBuildRoute( &$query )
{
	$segments = array();
	if ( isset( $query['view'] ) ) {
		$segments[] = $query['view'];
		unset( $query['view'] );
	}
	if ( isset( $query['task'] ) ) {
		$segments[] = $query['task'];
		unset( $query['task'] );
	}
	if ( isset( $query['id'] ) ) {
		$segments[] = $query['id'];
		unset( $query['id'] );
	}
	return $segments;
}

function MyTestComponentParseRoute( $segments )
{
	$vars = array();
	$count = count( $segments );
	if ( $count ) {
		$count--;
		$segment = array_shift( $segments );
//		if ( strpos( $segment, ':' )!== false || is_numeric( $segment ) ) {
            if ( strpos( $segment, ':' )!== false || trim( $segment ) ) {
			$variable = explode( ':', $segment );
//            $vars['id'] = intval( $variable[0] );
			$vars['id'] = trim( $variable[0] );
		}
		$vars['view'] = $segment;
	}
	if ( $count ) {
		$count--;
		$segment = array_shift( $segments );
//		if ( strpos( $segment, ':' )!== false || is_numeric( $segment ) ) {
            if ( strpos( $segment, ':' )!== false || trim( $segment ) ) {
			$variable = explode( ':', $segment );
//            $vars['id'] = intval( $variable[0] );
			$vars['id'] = trim( $variable[0] );
		} else {
			$vars['task'] = $segment;
		}
	}
	if ( $count ) {
		$segment = array_shift( $segments );
//		if ( strpos( $segment, ':' )!== false || is_numeric( $segment ) ) {
        if ( strpos( $segment, ':' )!== false || trim( $segment ) ) {
			$variable = explode( ':', $segment );
//            $vars['id'] = intval( $variable[0] );
			$vars['id'] = trim( $variable[0] );
		}
	}
	return $vars;
}