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3 liveuser 1 
<?php
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namespace Guzzle\Common;
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use Symfony\Component\EventDispatcher\Event as SymfonyEvent;
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/**
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 * Default event for Guzzle notifications
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 */
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class Event extends SymfonyEvent implements ToArrayInterface, \ArrayAccess, \IteratorAggregate
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{
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    /** @var array */
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    private $context;
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    /**
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     * @param array $context Contextual information
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     */
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    public function __construct(array $context = array())
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    {
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        $this->context = $context;
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    }
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    public function getIterator()
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    {
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        return new \ArrayIterator($this->context);
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    }
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    public function offsetGet($offset)
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    {
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        return isset($this->context[$offset]) ? $this->context[$offset] : null;
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    }
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    public function offsetSet($offset, $value)
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    {
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        $this->context[$offset] = $value;
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    }
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    public function offsetExists($offset)
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    {
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        return isset($this->context[$offset]);
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    }
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    public function offsetUnset($offset)
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    {
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        unset($this->context[$offset]);
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    }
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    public function toArray()
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    {
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        return $this->context;
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    }
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}