ClosureLogAdapter.php

<?php
 
namespace Guzzle\Log;
 
class ClosureLogAdapter extends AbstractLogAdapter
{
    public function __construct($logObject)
    {
        if (!is_callable($logObject)) {
            throw new \InvalidArgumentException('Object must be callable');
        }
 
        $this->log = $logObject;
    }
 
    public function log($message, $priority = LOG_INFO, $extras = array())
    {
        call_user_func($this->log, $message, $priority, $extras);
    }
}