Mine

<?php//include album classinclude_once(LIBDIR .'../Album/Album.php.class');// Manipulates Album Dataclass AlbumAdmin {var $album_details;var $revised_album_details;var $track_info;var $album_id;/*** Class constructor ** @param $db - an instance of the Db class ** @return an instance of the AlbumAdmin class***/function AlbumAdmin($db) {        // ensure we have logger access        global $logger;        if(strtolower(get_class($logger)) != 'logger') {                die(__FILE__."FATAL ERROR: no valid global logger object is instantiated - you must have a global \$logger object to continue");        }        // verify our db object        if(!is_object($db_obj) or get_class($db_obj) != 'db') {                $logger->fatal("DB OBJECT PASSED TO " . __FILE__. " CONSTRUCTOR IS INVALID! - CLASS PASSED WAS A " . get_class($db_obj));        }                $this->_db = $db;                return $this;}/*** Class constructor ** @param $album_details - array of data to add a new album** @return instant of album class***/function addAlbum($album_details) {			$this->album_details = $album_details;		//Logger	global $logger;			//Error	(bool)$error = false;	//Sanity check	(array)$required = array('uid','SKU','upc','artistid','vid','downloads');	if(!is_array($album_details)) return NULL;	foreach($required as $param){		if(empty($album_details[$param])) {			$erorr = true;			$logger->warn("Required parameter $param is not set ($album_details[$param])");			return NULL;		}	}	if($error==true) {		$query = $this->_db->query("insert into albums(uid,SKU,upc,artistid,vid,downloads) values('%s','%s','%s','%s','%s','%s')",  array("$uid","$SKU","$upc","$artistid","$vid","$downloads") );				(integer)$album_id = mysql_insert_id();				// create new album		$album_obj = new Album($this->_db,$album_id);		return $album_obj;	}else{				return NULL;	}}/*** Class constructor ** @param $album_id - specified key id  * @param $revised_album_details - array of data for albums** @return boolean true/false if the data has been saved***/function updateAlbum($album_id, $revised_album_details) {	$this->$album_id = $album_id;	$this->$revised_album_details = $revised_album_details;	//Error	(bool)$erorr = false;		//Logger	global $logger;	//Sanity Check	(array)$required = array('uid','SKU','upc','artistid','vid','downloads');	if(!is_array($revised_album_details)) return NULL;	foreach($required as $param){		if(empty($revised_album_details[$param])) {			//print_r($revised_album_details);			$erorr = true;			$logger->warn("Required parameter $param is not set ($revised_album_details[$param])");			return NULL;		}	}		if(empty($album_id)) {			$erorrs = true;			$logger->warn("Required parameter album_id not specified");			return NULL;	}	if($error==false) {		$query = $this->_db->query(sprintf("update albums SET uid='%s', SKU='%s', upc='%s', artistid='%s', vid='%s', downloads='%s' WHERE albumid='%s'",$revised_album_details['uid'],$revised_album_details['SKU'],$revised_album_details['upc'],$revised_album_details['artistid'],$revised_album_details['vid'],$revised_album_details['downloads'],$album_id) ) or die (mysql_error());		if(mysql_affected_rows() > 0 ) return 1;		return 0;		}else{		return 0;	}}/*** Class constructor ** @param $album_id - specified album key* @param $track_info - array of data for albums_tracks** @return returns the track id of the new albums_tracks data***/function albumAddTracks($album_id,$track_info) {	$this->track_info = $track_info;	(bool)$error = false;	global $logger;	//Sanity Check	(array)$required = array('albumid','trackid','artistid','tracknum','discnum');	foreach($required as $param){		if(empty($track_info[$param])) {			$erorr = true;			$logger->warn("Required parameter $param is not set ($track_info[$param])");			return NULL;		}	}		if(empty($album_id)) {			$erorr = true;			$logger->warn("Required parameter album_id not specified");			return NULL;	}		if($error==true) {			$query = $this->_db->query("insert into albums_tracks(albumid,trackid,artistid,tracknum,discnum) values('%s','%s','%s','%s','%s')", array($track_info['album_id'],$track_info['trackid'],$track_info['artistid'],$track_info['tracknum'],$track_info['discnum']) );						if(mysql_insert_id() > 0 ) return 1;		return 0;	}else{				return 0;	}}/*** Class constructor ** @param $album_id - specified key for albums_tracks* @param $track_info - array of data for albums_tracks** @return boolean true/false***/function albumUpdateTracks($album_id, $track_info) {	$this->album_id = $album_id;	$this->track_info =  $track_info;		(bool)$error = false;	global $logger;	//print_r($track_info);	//Sanity Check	(array)$required = array('trackid','artistid','tracknum','discnum');	foreach($required as $param){		if(empty($track_info[$param])) {			$erorr = true;			$logger->warn("Required parameter $param is not set ($track_info[$param])");			return NULL;		}	}	if(empty($album_id)) {			$erorr = true;			$logger->warn("Required parameter album_id not specified");			return NULL;	}		if($error==false){		$query = $this->_db->query(sprintf("update albums_tracks SET trackid='%s', artistid='%s', tracknum='%s', discnum='%s' WHERE albumid='%s'",$track_info['trackid'],$track_info['artistid'],$track_info['tracknum'],$track_info['discnum'],$album_id) ) or die(mysql_error());			if(mysql_affected_rows() > 0 ) return 1;		return 0;	}else{				return 0;	}}}?>