<?php

class Magento{
        private $proxy, $sessionId;
        public function __construct(){
                $this->proxy = new SoapClient('http://magentohost/index.php/api/v2_soap/?wsdl');
                $this->sessionId = $this->proxy->login('username', 'passwd');
        }
        public function __call($name, $arguments){
                array_unshift($arguments, $this->sessionId);
                return call_user_func_array(array($this->proxy, $name), $arguments);
        }

}


class MagentoWorker extends Worker {
        private $magento;
        public function __construct() {

                $this->magento = new Magento();
        }
        public function getMagento(){
                return $this->magento;
        }

}

class MyPool extends Pool{
}

function createPool($workerClass){
        return new Pool(3, $workerClass);
}
function submitTask($pool, $run, $data = null){
        $retVal = Collectable::from(function(){
                try{
                        $action = $this->action;
                        $action($this);
                }finally{
                        $this->setGarbage();
                }
        }, function ($arg, $run){
                $this->action = $run;
                $this->action_data = $arg;
        }, [$data, $run]);
        $pool->submit($retVal);
        return $retVal;
}
function cleanupPool($pool){
        $pool->shutdown();
        $pool->collect(function($work){
                waitForWork($work);

                return $work->isGarbage();
        });
}

$magento = createPool('MagentoWorker');

$productListTask = submitTask($magento, function($worker) {
        try{
                $magento = $worker->worker->getMagento();
        // This call fails with:
        // Error finding "uri" property
        // #0 [internal function]: SoapClient->__call('catalogProductL...', Array)
        // #1 [internal function]: SoapClient->catalogProductList('88762fc08a29593...')
        // #2 /root/xero/mageno.php(11): call_user_func_array(Array, Array)
        // #3 /root/xero/test.php(121): Magento->__call('catalogProductL...', Array)
        // #4 /root/xero/test.php(121): Magento->catalogProductList()
        // #5 /root/xero/pool.php(37): CollectableClosure@0x7f37cf52b6c0->{closur}(Object(CollectableClosure@0x7f37cf52b6c0))
        // #6 {main}something went wrong

                $magento->catalogProductList();
        }catch(Exception $e){
                echo $e->getMessage() . "\n";
                echo ($e->getTraceAsString());
        }finally{
                echo "something went wrong\n";
        }
});