From b37d2bc462af918276111d0439592aa445ac6277 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Fri, 30 Nov 2012 02:19:35 +0200
Subject: Add CI_Output::delete_cache()

(an improved version of PR #609)
---
 system/core/Output.php | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'system/core/Output.php')

diff --git a/system/core/Output.php b/system/core/Output.php
index 7bfde07c7..98deff55c 100644
--- a/system/core/Output.php
+++ b/system/core/Output.php
@@ -626,6 +626,45 @@ class CI_Output {
 
 	// --------------------------------------------------------------------
 
+	/**
+	 * Delete cache
+	 *
+	 * @param	string	$uri	URI string
+	 * @return	bool
+	 */
+	public function delete_cache($uri = '')
+	{
+		$CI =& get_instance();
+		$cache_path = $CI->config->item('cache_path');
+		if ($cache_path === '')
+		{
+			$cache_path = APPPATH.'cache/';
+		}
+
+		if ( ! is_dir($cache_path))
+		{
+			log_message('error', 'Unable to find cache path: '.$cache_path);
+			return FALSE;
+		}
+
+		if (empty($uri))
+		{
+			$uri = $CI->uri->uri_string();
+		}
+
+		$cache_path .= md5($CI->config->item('base_url').$CI->config->item('index_page').$uri);
+
+		if ( ! @unlink($cache_path))
+		{
+			log_message('error', 'Unable to delete cache file for '.$uri);
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
 	/**
 	 * Set Cache Header
 	 *
-- 
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