From b1616b8c3370d59135275b6945ed1b80cfe99653 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Thu, 13 Feb 2014 15:12:43 +0200
Subject: Fix #2364

---
 system/libraries/Pagination.php | 40 +++++++++++++++++++++-------------------
 1 file changed, 21 insertions(+), 19 deletions(-)

(limited to 'system/libraries/Pagination.php')

diff --git a/system/libraries/Pagination.php b/system/libraries/Pagination.php
index 2f1bcfbad..06cc0c378 100644
--- a/system/libraries/Pagination.php
+++ b/system/libraries/Pagination.php
@@ -403,30 +403,32 @@ class CI_Pagination {
 		}
 
 		// Put together our base and first URLs.
-		$this->base_url = trim($this->base_url);
+		// Note: DO NOT append to the properties as that would break successive calls
+		$base_url = trim($this->base_url);
+		$first_url = $this->first_url;
 
 		$query_string = '';
-		$query_string_sep = (strpos($this->base_url, '?') === FALSE) ? '?' : '&amp;';
+		$query_string_sep = (strpos($base_url, '?') === FALSE) ? '?' : '&amp;';
 
 		// Are we using query strings?
 		if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)
 		{
 			// If a custom first_url hasn't been specified, we'll create one from
 			// the base_url, but without the page item.
-			if ($this->first_url === '')
+			if ($first_url === '')
 			{
-				$this->first_url = $this->base_url;
+				$first_url = $base_url;
 
 				// If we saved any GET items earlier, make sure they're appended.
 				if ( ! empty($get))
 				{
-					$this->first_url .= $query_string_sep.http_build_query($get);
+					$first_url .= $query_string_sep.http_build_query($get);
 				}
 			}
 
 			// Add the page segment to the end of the query string, where the
 			// page number will be appended.
-			$this->base_url .= $query_string_sep.http_build_query(array_merge($get, array($this->query_string_segment => '')));
+			$base_url .= $query_string_sep.http_build_query(array_merge($get, array($this->query_string_segment => '')));
 		}
 		else
 		{
@@ -440,17 +442,17 @@ class CI_Pagination {
 
 			// Does the base_url have the query string in it?
 			// If we're supposed to save it, remove it so we can append it later.
-			if ($this->reuse_query_string === TRUE && ($base_query_pos = strpos($this->base_url, '?')) !== FALSE)
+			if ($this->reuse_query_string === TRUE && ($base_query_pos = strpos($base_url, '?')) !== FALSE)
 			{
-				$this->base_url = substr($this->base_url, 0, $base_query_pos);
+				$base_url = substr($base_url, 0, $base_query_pos);
 			}
 
-			if ($this->first_url === '')
+			if ($first_url === '')
 			{
-				$this->first_url = $this->base_url.$query_string;
+				$first_url = $base_url.$query_string;
 			}
 
-			$this->base_url = rtrim($this->base_url, '/').'/';
+			$base_url = rtrim($base_url, '/').'/';
 		}
 
 		// Determine the current page number.
@@ -526,8 +528,8 @@ class CI_Pagination {
 			// Take the general parameters, and squeeze this pagination-page attr in for JS frameworks.
 			$attributes = sprintf('%s %s="%d"', $this->_attributes, $this->data_page_attr, 1);
 
-			$output .= $this->first_tag_open.'<a href="'.$this->first_url.'"'.$attributes.$this->_attr_rel('start').'>'
-				.$this->first_link.'</a>'.$this->first_tag_close;
+			$output .= $this->first_tag_open.'<a href="'.$first_url.'"'.$attributes.$this->_attr_rel('start').'>'
+				.$first_link.'</a>'.$this->first_tag_close;
 		}
 
 		// Render the "Previous" link.
@@ -540,13 +542,13 @@ class CI_Pagination {
 			if ($i === $base_page)
 			{
 				// First page
-				$output .= $this->prev_tag_open.'<a href="'.$this->first_url.'"'.$attributes.$this->_attr_rel('prev').'>'
+				$output .= $this->prev_tag_open.'<a href="'.$first_url.'"'.$attributes.$this->_attr_rel('prev').'>'
 					.$this->prev_link.'</a>'.$this->prev_tag_close;
 			}
 			else
 			{
 				$append = $this->prefix.$i.$this->suffix;
-				$output .= $this->prev_tag_open.'<a href="'.$this->base_url.$append.'"'.$attributes.$this->_attr_rel('prev').'>'
+				$output .= $this->prev_tag_open.'<a href="'.$base_url.$append.'"'.$attributes.$this->_attr_rel('prev').'>'
 					.$this->prev_link.'</a>'.$this->prev_tag_close;
 			}
 
@@ -572,13 +574,13 @@ class CI_Pagination {
 					elseif ($i === $base_page)
 					{
 						// First page
-						$output .= $this->num_tag_open.'<a href="'.$this->first_url.'"'.$attributes.$this->_attr_rel('start').'>'
+						$output .= $this->num_tag_open.'<a href="'.$first_url.'"'.$attributes.$this->_attr_rel('start').'>'
 							.$loop.'</a>'.$this->num_tag_close;
 					}
 					else
 					{
 						$append = $this->prefix.$i.$this->suffix;
-						$output .= $this->num_tag_open.'<a href="'.$this->base_url.$append.'"'.$attributes.$this->_attr_rel('start').'>'
+						$output .= $this->num_tag_open.'<a href="'.$base_url.$append.'"'.$attributes.$this->_attr_rel('start').'>'
 							.$loop.'</a>'.$this->num_tag_close;
 					}
 				}
@@ -592,7 +594,7 @@ class CI_Pagination {
 
 			$attributes = sprintf('%s %s="%d"', $this->_attributes, $this->data_page_attr, (int) $i);
 
-			$output .= $this->next_tag_open.'<a href="'.$this->base_url.$this->prefix.$i.$this->suffix.'"'.$attributes
+			$output .= $this->next_tag_open.'<a href="'.$base_url.$this->prefix.$i.$this->suffix.'"'.$attributes
 				.$this->_attr_rel('next').'>'.$this->next_link.'</a>'.$this->next_tag_close;
 		}
 
@@ -603,7 +605,7 @@ class CI_Pagination {
 
 			$attributes = sprintf('%s %s="%d"', $this->_attributes, $this->data_page_attr, (int) $i);
 
-			$output .= $this->last_tag_open.'<a href="'.$this->base_url.$this->prefix.$i.$this->suffix.'"'.$attributes.'>'
+			$output .= $this->last_tag_open.'<a href="'.$base_url.$this->prefix.$i.$this->suffix.'"'.$attributes.'>'
 				.$this->last_link.'</a>'.$this->last_tag_close;
 		}
 
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