How to: lsl for programmers of advanced languges (PHP, and C++)

<?php
     /**
      * Copyright 2006, ADULLAM LIMITED.
      * 
      * orbit_base - Easy edit class foundation for building extensible loose coupled systems.
      *
      * orbit_base class and methods.
      *  
      * @author		$Author: Matthew Brown $
      * @version		$Revision: 1.10 $
      *
      * @package orbit_base
     */
     
     // parts of this class were inspired by NucleusCMS
     //parts of this script modified for LSL by aceofspades
     class orbit_lsl {
     
     	var $callback = array('class' => 'responder', 'function' => 'notify', 'instence'=>'instance'); 
     	// assumed pattern of data to pass =>= ($event, $data=array(), $debug_info="")
     	// also we assume this call back thing has a singleton "instance" function
     	
     	// track out connection
     	var $db_conn = 'none'; 		//string for storing the connection object
     	var $db_used = 'none';
     	
     	var $debug_on = true;
     	var $debug_level = 1; 
     	/*
     	Debug levels
     	
     	1: Basic Error Messages and Similar (BEMS)
     	2: As 1 good for class testing 
     	3: As 2 but more so, good for class development 
     	4: As 3 but really verbose includes a lot of core stuff
     	5: AS 4 but really really talkative
     	...increase if needed.
     	*/
     	
     	
     	// http://uk2.php.net/manual/en/function.get-parent-class.php
     	function get_ancestors ($class = '') {
     		if ($class == ''){
     			$class = $this;
     		}
     		$classes = array($class);
     		while($class = get_parent_class($class)) { 
     			$classes[] = $class; 
     		}
     		return $classes;
     	}
     	
     	// this allows basic classes to set aside user functions
     	// and have those functions used by successive generations
     	// of class without tripping over each otehr.
     	function extender_call($func, $data=''){
     		foreach($this->get_ancestors($this) as $classname){
     			if(is_callable(array($this, $func.$classname))){
     				call_user_func(array(&$this, $func.$classname), $data);
     			}
     		}
     	}
     	
     	function debug($out, $array="", $level = 1){
     		if (($this->debug_on === true) AND ($level <= $this->debug_level)) {
     			echo "<p>DEBUG ($level): ";
     			echo $out;
     			if ((is_array($array)) OR (is_object($array))){
     				echo "<pre>";
     				print_r($array);
     				echo "</pre>";
     			}
     			echo " -=ENDS=- </p>";
     		}
     	}
     	
     	// this allows all objects to trigger events in any of it's aprents
     	// it also allows all children to call an event manager.
     	function callback($event, $data=array(), $debug_info=""){
     		
     		$localvar = '';
     		
     		// internal
     		$this->extender_call($event, $data);
     		
     		// external
     		
     		if (!class_exists($this->callback['class'])){
     			$this->debug("callback: callback class was not loaded.  Loading...", '', 4); // core level debug
     			@include_once $this->callback['class'] . ".php";
     		}
     		
     		if (class_exists($this->callback['class'])){
     			$evalcode = '$localvar = ' . $this->callback['class'] . '::' . $this->callback['instence'] . '();';
     			$this->debug("EVAL CODE: " . $evalcode, '', 5); // core level debug
     			eval($evalcode); 
     			if(is_callable(array($localvar, $this->callback['function']))){
     				call_user_func(array(&$localvar, $this->callback['function']), $event, $data, $debug_info);
     			}
     		}else{
     			$this->debug("Error: could not find callback class '" . $callback['class'] ."'."); // gen debug
     		}
     		$this->debug("$event -> $debug_info", $localvar, 4); // deep debug
     	}
     	
     	
     	//function db_sql_return($data, &$obj = ''){
     	function db_sql_return($data, $obj = ''){
     		// this function must be written for your DB engine
     		$obj = mysql_query($data);
     	}
     	//function db_sql_return($data, &$obj = ''){
     	function db_sql_return2($obj = '', $settings = array()){
     		// this function must be written for your DB engine
     		
     		$data = $_REQUEST['data'];
     		$obj = mysql_query($data);
     		If ($settings['echo'] != "")
     		{
     			If ($settings['echo'] != "false")
     			{
     				echo $obj;
     			}
     		}
     	}
     	
     	
     	function db_sql_return_array($data, $arr = array(), $formof = 'assoc'){
     		// this function must be written for your DB engine
     		$this->db_sql_return($data, $obj);
     		if(mysql_num_rows($obj) > 0){
     			if ($formof == "assoc"){
     				while($arr[] = mysql_fetch_assoc($obj)){}
     			}else{
     				while($arr[] = mysql_fetch_row($obj)){}
     			}
     		}
     		return $arr;
     	}	
     	
     	// currently we have a connection for every object how do I recycle?
     	function db_connect(){
     		// this function must be written for your  DB engine
     		if ($this->db_conn == 'none'){
     			$this->db_conn = mysql_connect('localhost', 'username', 'password');
     			if (!$this->db_conn) {
     			   die('Could not connect: ' . mysql_error());
     			}
     		}
     		if ($this->db_used == 'none'){
     			$this->db_used = mysql_select_db('database', $this->db_conn);
     		}
     		// mysql_close($link);
     	}
     		function db_connect2(){
     		// this function must be written for your  DB engine
     		/*
     		if ($_REQUEST['host'] == "localhost")
     		{ 
     		die("we do not allow connection to local host");
     		}
     		*/
     		if ($this->db_conn == 'none'){
     			$this->db_conn = mysql_connect($_REQUEST['host'], $_REQUEST['user'], $_REQUEST['pass']);
     			if (!$this->db_conn) {
     			   die('Could not connect: ' . mysql_error());
     			}
     		}
     		if ($this->db_used == 'none'){
     			$this->db_used = mysql_select_db($_REQUEST['db'], $this->db_conn);
     		}
     		// mysql_close($link);
     	}	
     	
     	
     	function db_disconnect(){
     		mysql_close($this->db_conn);
     		$this->db_conn = 'none'; 		
     		$this->db_used = 'none';
     	}
     
     }
     
     ?>