diff options
Diffstat (limited to 'system/database/DB_cache.php')
| -rw-r--r-- | system/database/DB_cache.php | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php index ba9110382..d07c755c6 100644 --- a/system/database/DB_cache.php +++ b/system/database/DB_cache.php @@ -37,12 +37,20 @@ class CI_DB_Cache { public $CI; public $db; // allows passing of db object so that multiple database connections and returned db objects can be supported + /** + * Constructor + * + * @param object &$db + * @return void + */ public function __construct(&$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'); + + $this->check_path(); } // -------------------------------------------------------------------- @@ -66,7 +74,9 @@ class CI_DB_Cache { } // Add a trailing slash to the path if needed - $path = preg_replace('/(.+?)\/*$/', '\\1/', $path); + $path = realpath($path) + ? rtrim(realpath($path), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR + : rtrim($path, '/').'/'; if ( ! is_dir($path) OR ! is_really_writable($path)) { @@ -86,15 +96,11 @@ 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 * + * @param string $sql * @return string */ public function read($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); @@ -112,15 +118,12 @@ class CI_DB_Cache { /** * Write a query to a cache file * + * @param string $sql + * @param object $object * @return bool */ public function write($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.'/'; @@ -150,7 +153,9 @@ class CI_DB_Cache { /** * Delete cache files within a particular directory * - * @return bool + * @param string $segment_one = '' + * @param string $segment_two = '' + * @return void */ public function delete($segment_one = '', $segment_two = '') { @@ -173,7 +178,7 @@ class CI_DB_Cache { /** * Delete all existing cache files * - * @return bool + * @return void */ public function delete_all() { |