Dumb class that can be used to debug a third-party object calls.

HackableObject.php

<?php


class HackableObject {
    
    protected $obj;
    public function __construct($obj){
        $this->obj = $obj;
    }
    
    public function __destruct(){
        
    }
    
    public function __call($f, $a){
        
        if($f == 'flush') {
            var_dump($this->obj->isOpen());
            var_dump($this->__trace());
        }
        
        $r = call_user_func_array(array($this->obj, $f), $a);
        
        if(!$this->obj->isOpen()) {
            var_dump($this->__trace());
        }
        
        return $r;
    }
    
    protected function __trace() {
        $t = debug_backtrace(false);
        $s = array();
        array_shift($t);
        while(!empty($t)) {
            $i = array_shift($t);
            $s[] = (isset($i['file']) ? $i['file'] : '').':'.(isset($i['line']) ? $i['line'] : '');
        }
        return implode(' < ', $s);
    }
}