diff options
Diffstat (limited to 'system/database/DB_cache.php')
| -rw-r--r-- | system/database/DB_cache.php | 77 |
1 files changed, 34 insertions, 43 deletions
diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php index 3bf065ca5..ba9110382 100644 --- a/system/database/DB_cache.php +++ b/system/database/DB_cache.php @@ -1,42 +1,45 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * - * An open source application development framework for PHP 5.1.6 or newer + * An open source application development framework for PHP 5.2.4 or newer + * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. * * @package CodeIgniter - * @author ExpressionEngine Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * Database Cache Class * * @category Database - * @author ExpressionEngine Dev Team + * @author EllisLab 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 + public $CI; + public $db; // allows passing of db object so that multiple database connections and returned db objects can be supported - /** - * Constructor - * - * Grabs the CI super object instance so we can access it. - * - */ - function CI_DB_Cache(&$db) + public function __construct(&$db) { - // Assign the main CI object to $this->CI - // and load the file helper since we use it a lot + // 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; $this->CI->load->helper('file'); @@ -47,15 +50,14 @@ class CI_DB_Cache { /** * Set Cache Directory Path * - * @access public * @param string the path to the cache directory * @return bool */ - function check_path($path = '') + public function check_path($path = '') { - if ($path == '') + if ($path === '') { - if ($this->db->cachedir == '') + if ($this->db->cachedir === '') { return $this->db->cache_off(); } @@ -64,7 +66,7 @@ class CI_DB_Cache { } // Add a trailing slash to the path if needed - $path = preg_replace("/(.+?)\/*$/", "\\1/", $path); + $path = preg_replace('/(.+?)\/*$/', '\\1/', $path); if ( ! is_dir($path) OR ! is_really_writable($path)) { @@ -84,10 +86,9 @@ class CI_DB_Cache { * The URI being requested will become the name of the cache sub-folder. * An MD5 hash of the SQL statement will become the cache file name * - * @access public * @return string */ - function read($sql) + public function read($sql) { if ( ! $this->check_path()) { @@ -95,12 +96,10 @@ class CI_DB_Cache { } $segment_one = ($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))) + if (FALSE === ($cachedata = file_get_contents($filepath))) { return FALSE; } @@ -113,10 +112,9 @@ class CI_DB_Cache { /** * Write a query to a cache file * - * @access public * @return bool */ - function write($sql, $object) + public function write($sql, $object) { if ( ! $this->check_path()) { @@ -124,11 +122,8 @@ class CI_DB_Cache { } $segment_one = ($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($dir_path)) @@ -155,23 +150,21 @@ class CI_DB_Cache { /** * Delete cache files within a particular directory * - * @access public * @return bool */ - function delete($segment_one = '', $segment_two = '') + public function delete($segment_one = '', $segment_two = '') { - if ($segment_one == '') + if ($segment_one === '') { $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1); } - if ($segment_two == '') + 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); } @@ -180,16 +173,14 @@ class CI_DB_Cache { /** * Delete all existing cache files * - * @access public * @return bool */ - function delete_all() + public function delete_all() { - delete_files($this->db->cachedir, TRUE); + delete_files($this->db->cachedir, TRUE, 0, TRUE); } } - /* End of file DB_cache.php */ /* Location: ./system/database/DB_cache.php */
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