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php代码的性能分析。

你可以用xdbug去分析。

但是更好的选择是facebook的性能分析工具xhprof。

它可以图形化。前提是你安装了gd库，你也可能遇到一些小问题。我记得要更新linux的图像库。

安装xhprof扩展:pecl install xhprof .

<?php

/**

*

*

* Beck Confidential

* Copyright (c) 2013, Beck Corp. <Beck.Bi>.

* All rights reserved.

*

* PHP version 5

*

* @category Aug

* @package package_name

* @author beck

* @date 2013-8-13

* @license

* @link

*

*/

class Xhprof

{

protected $flags = 0;

protected $options = array();

protected $xhprofData = array();

/**

* 配置你的xhprof 你可以在php的官网看着个应用的说明

* @param unknown $config

* @throws ExtensionNotFoundException

*/

public function __construct($config = array())

{

if (!extension_loaded('xhprof')) {

throw new ExtensionNotFoundException(

'Configuration error! Make sure you have xhprof installed correctly.

please refer http://www.php.net/manual/en/xhprof.examples.php for detail.'

);

}

if (!empty($config['flags'])) {

$this->flags = (int)$config['flags'];

}

if (!empty($config['options'])) {

$this->options = $config['options'];

}

}

/**

* 开启调试

*/

public function enable()

{

xhprof_enable($this->flags, $this->options);

}

public function disable()

{

$this->xhprofData = xhprof_disable();

}

/**

*显示调试结果

* 你可能需要配置一个apache/nginx虚拟主机

*/

public function show()

{

$this->disable();

include_once "xhprof_lib/utils/xhprof_lib.php";

include_once "xhprof_lib/utils/xhprof_runs.php";

$xhprof_runs = new XHProfRuns_Default();

$run_id = $xhprof_runs->save_run($this->xhprofData, "xhprof_testing");

echo "<a href='http://pear.kang.com/xhprof_html/index.php?run={$run_id}&source=xhprof_testing' target='_blank'>see xhprof result</a>";

}

}

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