with.php

<?php

function partial() {
    $args = func_get_args();
    return function() use($args) {
        return call_user_func_array('call_user_func', array_merge($args, func_get_args()));
    };
}

function with()
{
    $args = func_get_args();
    $closure = array_pop($args);

    $call_enter = partial('call_user_method', '_enter');
    $call_exit = partial('call_user_method', '_exit');

    try {
        array_map($call_enter, $args);
        call_user_func_array($closure, $args);
    }
    finally {
        array_map($call_exit, $args);
    }
}

interface ContextManager
{
    public function _enter();
    public function _exit();
}

class QWEQWE implements ContextManager
{
    public function _enter()
    {
        // do something
    }

    public function _exit($exc_type, $exc_value, $traceback)
    {
        // do something
    }
}

$qwe1 = new QWEQWE()
$qwe2 = new QWEQWE()

with($qwe1, $qwe2, function($qweqwe)
{
    // do something
})