Stream.php

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<?php
#require_once 'Zend/Log/Writer/Abstract.php';

#require_once 'Zend/Log/Formatter/Simple.php';

class Zend_Log_Writer_Stream extends Zend_Log_Writer_Abstract
{
    protected $_stream = null;

    public function __construct($streamOrUrl, $mode = null)
    {
        // Setting the default
        if (null === $mode) {
            $mode = 'a';
        }

        if (is_resource($streamOrUrl)) {
            if (get_resource_type($streamOrUrl) != 'stream') {
                #require_once 'Zend/Log/Exception.php';
                throw new Zend_Log_Exception('Resource is not a stream');
            }

            if ($mode != 'a') {
                #require_once 'Zend/Log/Exception.php';
                throw new Zend_Log_Exception('Mode cannot be changed on existing streams');
            }

            $this->_stream = $streamOrUrl;
        } else {
            if (is_array($streamOrUrl) && isset($streamOrUrl['stream'])) {
                $streamOrUrl = $streamOrUrl['stream'];
            }

            if (! $this->_stream = @fopen($streamOrUrl, $mode, false)) {
                #require_once 'Zend/Log/Exception.php';
                $msg = "\"$streamOrUrl\" cannot be opened with mode \"$mode\"";
                throw new Zend_Log_Exception($msg);
            }
        }

        $this->_formatter = new Zend_Log_Formatter_Simple();
    }

    static public function factory($config)
    {
        $config = self::_parseConfig($config);
        $config = array_merge(array(
            'stream' => null,
            'mode'   => null,
        ), $config);

        $streamOrUrl = isset($config['url']) ? $config['url'] : $config['stream'];

        return new self(
            $streamOrUrl,
            $config['mode']
        );
    }

    public function shutdown()
    {
        if (is_resource($this->_stream)) {
            fclose($this->_stream);
        }
    }

    protected function _write($event)
    {
        $line = $this->_formatter->format($event);

        if (false === @fwrite($this->_stream, $line)) {
            #require_once 'Zend/Log/Exception.php';
            throw new Zend_Log_Exception("Unable to write to stream");
        }
    }
}