From c1d042931b3a5666f84709364b28701cdc7ad6ec Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Tue, 3 Oct 2006 07:16:49 +0000
Subject: [PATCH] paginate_links() from mdawaffe.  fixes #3159

git-svn-id: https://develop.svn.wordpress.org/trunk@4275 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-admin/users.php               | 18 ++++----
 wp-includes/general-template.php | 78 ++++++++++++++++++++++++++++++++
 2 files changed, 87 insertions(+), 9 deletions(-)

diff --git a/wp-admin/users.php b/wp-admin/users.php
index 4f2b8fdbc0..25c83f2759 100644
--- a/wp-admin/users.php
+++ b/wp-admin/users.php
@@ -84,15 +84,15 @@ class WP_User_Search {
 
 	function do_paging() {
 		if ( $this->total_users_for_query > $this->users_per_page ) { // have to page the results
-			$prev_page = ( $this->page > 1) ? true : false;
-			$next_page = ( ($this->page * $this->users_per_page) < $this->total_users_for_query ) ? true : false;
-			$this->paging_text = '';
-			if ( $prev_page )
-				$this->paging_text .= '<p class="alignleft"><a href="' . add_query_arg(array('usersearch' => $this->search_term, 'userspage' => $this->page - 1), 'users.php?') . '">&laquo; Previous Page</a></p>';
-			if ( $next_page )
-				$this->paging_text .= '<p class="alignright"><a href="' . add_query_arg(array('usersearch' => $this->search_term, 'userspage' => $this->page + 1), 'users.php?') . '">Next Page &raquo;</a></p>';
-			if ( $prev_page || $next_page )
-				$this->paging_text .= '<br style="clear:both" />';
+			$this->paging_text = paginate_links( array(
+				'total' => ceil($this->total_users_for_query / $this->users_per_page),
+				'current' => $this->page,
+				'prev_text' => '&laquo; Previous Page',
+				'next_text' => 'Next Page &raquo;',
+				'base' => 'users.php?%_%',
+				'format' => 'userspage=%#%',
+				'add_args' => array( 'usersearch' => urlencode($this->search_term) )
+			) );
 		}
 	}
 
diff --git a/wp-includes/general-template.php b/wp-includes/general-template.php
index 12e771581e..99d195e852 100644
--- a/wp-includes/general-template.php
+++ b/wp-includes/general-template.php
@@ -877,4 +877,82 @@ function language_attributes() {
 
 	echo $output;
 }
+
+function paginate_links( $arg = '' ) {
+	if ( is_array($arg) )
+		$a = &$arg;
+	else
+		parse_str($arg, $a);
+
+	// Defaults
+	$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 = __('&laquo; Previous');
+	$next_text = __('Next &raquo;');
+	$end_size = 1; // How many numbers on either end including the end
+	$mid_size = 2; // How many numbers to either side of current not including current
+	$type = 'plain';
+	$add_args = false; // array of query args to aadd
+
+	extract($a);
+
+	// Who knows what else people pass in $args
+	$total    = (int) $total;
+	$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 ? '' : str_replace('%#%', $current - 1, $format), $base);
+		if ( $add_args )
+			$link = add_query_arg( $add_args, $link );
+		$page_links[] = "<a class='prev page-numbers' href='" . wp_specialchars( $link, 1 ) . "'>$prev_text</a>";
+	endif;
+	for ( $n = 1; $n <= $total; $n++ ) :
+		if ( $n == $current ) :
+			$page_links[] = "<span class='page-numbers current'>$n</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 ? '' : str_replace('%#%', $n, $format), $base);
+				if ( $add_args )
+					$link = add_query_arg( $add_args, $link );
+				$page_links[] = "<a class='page-numbers' href='" . wp_specialchars( $link, 1 ) . "'>$n</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('%_%', str_replace('%#%', $current + 1, $format), $base);
+		if ( $add_args )
+			$link = add_query_arg( $add_args, $link );
+		$page_links[] = "<a class='next page-numbers' href='" . wp_specialchars( $link, 1 ) . "'>$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</ul>\n";
+			break;
+		default :
+			$r = join("\n", $page_links);
+			break;
+	endswitch;
+	return $r;
+}
 ?>