summaryrefslogtreecommitdiffstats
path: root/system/database/DB_cache.php
diff options
context:
space:
mode:
Diffstat (limited to 'system/database/DB_cache.php')
-rw-r--r--system/database/DB_cache.php388
1 files changed, 194 insertions, 194 deletions
diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php
index 9bb1b165b..70a2d95e3 100644
--- a/system/database/DB_cache.php
+++ b/system/database/DB_cache.php
@@ -1,195 +1,195 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
-/**
- * CodeIgniter
- *
- * An open source application development framework for PHP 4.3.2 or newer
- *
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Database Cache Class
- *
- * @category Database
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/database/
- */
-class CI_DB_Cache {
-
- var $CI;
- var $db; // allows passing of db object so that multiple database connections and returned db objects can be supported
-
- /**
- * Constructor
- *
- * Grabs the CI super object instance so we can access it.
- *
- */
- function CI_DB_Cache(&$db)
- {
- // Assign the main CI object to $this->CI
- // and load the file helper since we use it a lot
- $this->CI =& get_instance();
- $this->db =& $db;
- $this->CI->load->helper('file');
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set Cache Directory Path
- *
- * @access public
- * @param string the path to the cache directory
- * @return bool
- */
- function check_path($path = '')
- {
- if ($path == '')
- {
- if ($this->db->cachedir == '')
- {
- return $this->db->cache_off();
- }
-
- $path = $this->db->cachedir;
- }
-
- // Add a trailing slash to the path if needed
- $path = preg_replace("/(.+?)\/*$/", "\\1/", $path);
-
- if ( ! is_dir($path) OR ! is_really_writable($path))
- {
- // If the path is wrong we'll turn off caching
- return $this->db->cache_off();
- }
-
- $this->db->cachedir = $path;
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Retrieve a cached query
- *
- * The URI being requested will become the name of the cache sub-folder.
- * An MD5 hash of the SQL statement will become the cache file name
- *
- * @access public
- * @return string
- */
- function read($sql)
- {
- if ( ! $this->check_path())
- {
- return $this->db->cache_off();
- }
-
- $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
-
- $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
-
- $filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql);
-
- if (FALSE === ($cachedata = read_file($filepath)))
- {
- return FALSE;
- }
-
- return unserialize($cachedata);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Write a query to a cache file
- *
- * @access public
- * @return bool
- */
- function write($sql, $object)
- {
- if ( ! $this->check_path())
- {
- return $this->db->cache_off();
- }
-
- $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
-
- $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
-
- $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
-
- $filename = md5($sql);
-
- if ( ! @is_dir($dir_path))
- {
- if ( ! @mkdir($dir_path, DIR_WRITE_MODE))
- {
- return FALSE;
- }
-
- @chmod($dir_path, DIR_WRITE_MODE);
- }
-
- if (write_file($dir_path.$filename, serialize($object)) === FALSE)
- {
- return FALSE;
- }
-
- @chmod($dir_path.$filename, DIR_WRITE_MODE);
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete cache files within a particular directory
- *
- * @access public
- * @return bool
- */
- function delete($segment_one = '', $segment_two = '')
- {
- if ($segment_one == '')
- {
- $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
- }
-
- if ($segment_two == '')
- {
- $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
- }
-
- $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
-
- delete_files($dir_path, TRUE);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete all existing cache files
- *
- * @access public
- * @return bool
- */
- function delete_all()
- {
- delete_files($this->db->cachedir, TRUE);
- }
-
-}
-
-
-/* End of file DB_cache.php */
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author ExpressionEngine Dev Team
+ * @copyright Copyright (c) 2008, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Database Cache Class
+ *
+ * @category Database
+ * @author ExpressionEngine Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_Cache {
+
+ var $CI;
+ var $db; // allows passing of db object so that multiple database connections and returned db objects can be supported
+
+ /**
+ * Constructor
+ *
+ * Grabs the CI super object instance so we can access it.
+ *
+ */
+ function CI_DB_Cache(&$db)
+ {
+ // Assign the main CI object to $this->CI
+ // and load the file helper since we use it a lot
+ $this->CI =& get_instance();
+ $this->db =& $db;
+ $this->CI->load->helper('file');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Set Cache Directory Path
+ *
+ * @access public
+ * @param string the path to the cache directory
+ * @return bool
+ */
+ function check_path($path = '')
+ {
+ if ($path == '')
+ {
+ if ($this->db->cachedir == '')
+ {
+ return $this->db->cache_off();
+ }
+
+ $path = $this->db->cachedir;
+ }
+
+ // Add a trailing slash to the path if needed
+ $path = preg_replace("/(.+?)\/*$/", "\\1/", $path);
+
+ if ( ! is_dir($path) OR ! is_really_writable($path))
+ {
+ // If the path is wrong we'll turn off caching
+ return $this->db->cache_off();
+ }
+
+ $this->db->cachedir = $path;
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Retrieve a cached query
+ *
+ * The URI being requested will become the name of the cache sub-folder.
+ * An MD5 hash of the SQL statement will become the cache file name
+ *
+ * @access public
+ * @return string
+ */
+ function read($sql)
+ {
+ if ( ! $this->check_path())
+ {
+ return $this->db->cache_off();
+ }
+
+ $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
+
+ $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
+
+ $filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql);
+
+ if (FALSE === ($cachedata = read_file($filepath)))
+ {
+ return FALSE;
+ }
+
+ return unserialize($cachedata);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Write a query to a cache file
+ *
+ * @access public
+ * @return bool
+ */
+ function write($sql, $object)
+ {
+ if ( ! $this->check_path())
+ {
+ return $this->db->cache_off();
+ }
+
+ $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
+
+ $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
+
+ $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
+
+ $filename = md5($sql);
+
+ if ( ! @is_dir($dir_path))
+ {
+ if ( ! @mkdir($dir_path, DIR_WRITE_MODE))
+ {
+ return FALSE;
+ }
+
+ @chmod($dir_path, DIR_WRITE_MODE);
+ }
+
+ if (write_file($dir_path.$filename, serialize($object)) === FALSE)
+ {
+ return FALSE;
+ }
+
+ @chmod($dir_path.$filename, DIR_WRITE_MODE);
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete cache files within a particular directory
+ *
+ * @access public
+ * @return bool
+ */
+ function delete($segment_one = '', $segment_two = '')
+ {
+ if ($segment_one == '')
+ {
+ $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
+ }
+
+ if ($segment_two == '')
+ {
+ $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
+ }
+
+ $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
+
+ delete_files($dir_path, TRUE);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete all existing cache files
+ *
+ * @access public
+ * @return bool
+ */
+ function delete_all()
+ {
+ delete_files($this->db->cachedir, TRUE);
+ }
+
+}
+
+
+/* End of file DB_cache.php */
/* Location: ./system/database/DB_cache.php */ \ No newline at end of file
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-22 13:29:33 +0100