Parse error: syntax error, unexpected T_FUNCTION

I’m getting this error after I manually updated my wordpress to the latest version:

Parse error: syntax error, unexpected T_FUNCTION in D:\inetpub\vhosts\profitablehospitality.com\httpdocs\News\wp-includes\general-template.php on line 508

function paginate_links($args = ''){
	$defaults = array(
		'base' => '%_%', // http://example.com/all_posts.php%_% : %_% is replaced by format (below)
		'format' => '?page=%#%', // ?page=%#% : %#% is replaced by the page number
		'total' => 1,
		'current' => 0,
		'show_all' => false,
		'prev_next' => true,
		'prev_text' => __('« Previous'),
		'next_text' => __('Next »'),
		'end_size' => 1,
		'mid_size' => 2,
		'type' => 'plain',
		'add_args' => false, // array of query args to add
		'add_fragment' => '');

	$args = wp_parse_args( $args, $defaults );
	extract($args, EXTR_SKIP);

	// Who knows what else people pass in $args
	$total = (int) $total;
	if ( $total < 2 )
		return;
	$current  = (int) $current;
	$end_size = 0  < (int) $end_size ? (int) $end_size : 1; // Out of bounds?  Make it the default.
	$mid_size = 0 <= (int) $mid_size ? (int) $mid_size : 2;
	$add_args = is_array($add_args) ? $add_args : false;
	$r = '';
	$page_links = array();
	$n = 0;
	$dots = false;

	if ( $prev_next && $current && 1 < $current ) :
		$link = str_replace('%_%', 2 == $current ? '' : $format, $base);
		$link = str_replace('%#%', $current - 1, $link);
		if ( $add_args )
			$link = add_query_arg( $add_args, $link );
		$link .= $add_fragment;
		$page_links[] = '<a href="' . esc_url( apply_filters( 'paginate_links', $link ) ) . '">' . $prev_text . '</a>';
	endif;
	for ( $n = 1; $n <= $total; $n++ ) :
		$n_display = number_format_i18n($n);
		if ( $n == $current ) :
			$page_links[] = "<span class='page-numbers current'>$n_display</span>";
			$dots = true;
		else :
			if ( $show_all || ( $n <= $end_size || ( $current && $n >= $current - $mid_size && $n <= $current + $mid_size ) || $n > $total - $end_size ) ) :
				$link = str_replace('%_%', 1 == $n ? '' : $format, $base);
				$link = str_replace('%#%', $n, $link);
				if ( $add_args )
					$link = add_query_arg( $add_args, $link );
				$link .= $add_fragment;
				$page_links[] = "<a>$n_display</a>";
				$dots = true;
			elseif ( $dots && !$show_all ) :
				$page_links[] = '<span class="page-numbers dots">' . __( '…' ) . '</span>';
				$dots = false;
			endif;
		endif;
	endfor;
	if ( $prev_next && $current && ( $current < $total || -1 == $total ) ) :
		$link = str_replace('%_%', $format, $base);
		$link = str_replace('%#%', $current + 1, $link);
		if ( $add_args )
			$link = add_query_arg( $add_args, $link );
		$link .= $add_fragment;
		$page_links[] = '<a href="' . esc_url( apply_filters( 'paginate_links', $link ) ) . '">' . $next_text . '</a>';
	endif;
	switch ( $type ) :
		case 'array' :
			return $page_links;
			break;
		case 'list' :
			$r .= "<ul class='page-numbers'>\n\t
<li>";
			$r .= join("</li>
\n\t
<li>", $page_links);
			$r .= "</li>
\n\n";
			break;
		default :
			$r = join("\n", $page_links);
			break;
	endswitch;
	return $r;
}

Please help!