rendered paste body<?phpclass bj_cache { #Hey, it rhymes! var $cache_on = true; var $refresh_every = 120; #In minutes var $cache_path = false; function bj_cache() { $this->cache_path = BJPATH . 'content/cache/'; #I don't know either; putting it at the declaration just #Doesn't seem to work with BJPATH. if(!defined('CACHE_ON') or CACHE_ON === false or !is_writable($this->cache_path)) $this->cache_on = false; else $this->polish_caches(); } function polish_caches() { require_once(BJPATH . 'core/functions-general.php'); $refresh_seconds = $this->refresh_every*60; $files = FileFolderList($this->cache_path); if($files['files']) foreach($files['files'] as $file) if(time() - filemtime($file) > $refresh_seconds) @unlink($file); } function get_comments($entry=0,$use_cache=true) { global $bj; if($entry == 0) { if($use_cache and $this->cache_on and file_exists($this->cache_path.'comments')) { return $this->read_cache($this->cache_path.'comments'); } else { $all_comments = array(); $comments = $bj->db->get_rows('SELECT * FROM '.$bj->db->comments.' ORDER BY posted_on ASC'); foreach($comments as $comment) $all_comments[$comment['post_ID']][] = $comment; if($this->cache_on and $use_cache) $this->write_cache($this->cache_path.'comments',$all_comments); return $all_comments; } } else { if($use_cache and $this->cache_on and file_exists($this->cache_path.'comments-'.$entry)) { return $this->read_cache($this->cache_path.'comments-'.$entry); } else { $comments = $bj->db->get_rows('SELECT * FROM '.$bj->db->comments.' WHERE post_ID = \''.$entry.'\' ORDER BY posted_on ASC'); if($this->cache_on) $this->write_cache($this->cache_path.'comments-'.$entry,$comments); return $comments; } } } function get_entries($type='all',$id=0,$use_cache=true) { global $bj; #What do we want to get? switch($type) { case 'all' : $extra = ''; $cache_key = ''; break; case 'tags' : $extra = ' WHERE tags REGEXP \'"'.$id.'"\' AND ptype = \'public\' ORDER BY posted DESC'; $cache_key = '-tag-'.$id; break; case 'section' : $extra = ' WHERE section = \''.$id.'\' AND ptype = \'public\' ORDER BY posted DESC'; $cache_key = '-section-'.$id; break; case 'author' : $extra = ' WHERE author = \''.$id.'\' AND ptype = \'public\' ORDER BY posted DESC'; $cache_key = '-author-'.$id; break; #Custom get type. Allows for query manipulation. default : $extra = run_actions('query_extra_'.$type,''); $cache_key = $type; } if($use_cache and $this->cache_on and file_exists($this->cache_path.'entries'.$cache_key)) return $this->read_cache($this->cache_path.'entries'.$cache_key); else { $entries = $bj->db->get_rows('SELECT * FROM '.$bj->db->entries.$extra); if($this->cache_on and $entries) $this->write_cache($this->cache_path.'entries'.$cache_key,$entries); return $entries; } } function get_options($use_cache=true) { global $bj; if($use_cache and $this->cache_on and file_exists($this->cache_path.'options')) return $this->read_cache($this->cache_path.'options'); else { $options = $bj->db->get_rows('SELECT * FROM '.$bj->db->optons.' ORDER BY ID ASC'); if($this->cache_on and $options) $this->write_cache($this->cache_path.'options',$options); return $options; } } function get_sections($use_cache=true) { global $bj; if($use_cache and $this->cache_on and file_exists($this->cache_path.'sections')) return $this->read_cache($this->cache_path.'sections'); else { $sections = $bj->db->get_rows('SELECT * FROM '.$bj->db->sectons.' ORDER BY menu_order ASC'); if($this->cache_on and $options) $this->write_cache($this->cache_path.'sections',$sections); return $sections; } } function get_section($section,$use_cache=true) { global $bj; if($use_cache and $this->cache_on and file_exists($this->cache_path.'section-'.$section)) return $this->read_cache($this->cache_path.'section-'.$section); else { $tmp_section = $bj->db->get_item('SELECT * FROM '.$bj->db->sections.' WHERE ID = \''.$section.'\' LIMIT 1'); if($this->cache_on and $tmp_section) $this->write_cache($this->cache_path.'section-'.$section,$tmp_section); return $tmp_section; } } function get_tags($use_cache=true) { global $bj; if($use_cache and $this->cache_on and file_exists($this->cache_path.'tags')) return $this->read_cache($this->cache_path.'tags'); else { $tmp_tags = $bj->db->get_rows('SELECT * FROM '.$bj->db->tags.' ORDER BY name ASC'); if($this->cache_on and $tmp_tags) $this->write_cache($this->cache_path.'tags',$tmp_tags); return $tmp_tags; } } function get_user($id,$use_cache=true) { global $bj; $id = intval($id); if($use_cache and $this->cache_on and file_exists($this->cache_path.'user-'.$id)) return $this->read_cache($this->cache_path.'user-'.$id); else { $tmp_user = $bj->db->get_item("SELECT * FROM `".$bj->db->users."` WHERE `ID` = ".$id." LIMIT 1"); if($tmp_user) { $metadata = $bj->db->get_rows("SELECT * FROM `".$bj->db->usermeta."` WHERE `user_id` = '".$tmp_user['ID']."'"); foreach($metadata as $data) if(!isset($tmp_user[$data['meta_key']])) $tmp_user[$data['meta_key']] = $data['meta_value']; if($this->cache_on) $this->write_cache($this->cache_path.'user-'.$id,$tmp_user); } else $tmp_user = false; return $tmp_user; } } function read_cache($location) { $handle = fopen($location, "r"); $contents = fread($handle, filesize($location)); fclose($handle); return unserialize($contents); } function write_cache($location,$contents) { $handle = fopen($location, "w+"); fwrite($handle,serialize($contents)); fclose($handle); } function drop_cache($type,$id='') { switch($type) { case 'user' : $file = $this->cache_path.'user-'.$id; break; case 'options' : $file = $this->cache_path.'options'; break; case 'tags' : $file = $this->cache_path.'tags'; break; case 'sections' : $file = $this->cache_path.'sections'; break; case 'entries' : $file = $this->cache_path.'entries-'.$id; break; } if(file_exists($this->cache_path.$file)) @unlink($this->cache_path.$file); } function drop_caches($type,$id) { switch($type) { case 'section' : $files = array($this->cache_path.'section-'.$id,$this->cache_path.'sections'); break; } if(is_array($files)) foreach($files as $file) @unlink($file); }}$bj->cache = new bj_cache();?>