为PHP开发者准备的12个调试工具_PHP
PHP是在实践中发展迅速并被最多使用的脚本语言；包含了诸如详细的文档、庞大的社区、无数可使用的脚本及支持框架等许多特性。PHP提供的这些特性使得它比Python或Ruby等脚本语言更容易上手。
为构建极具创新乐趣的Web应用，PHP开发人员持续搜寻着有用的工具。在这篇文章中，我收集了开发人员的12个PHP调试工具，它们将有助于开发人员轻松找出并调试应用程序及脚本中的错误。下面的PHP调试工具支持Ajax请求，并包含通用数据采集器和基于堆栈的错误处理器。我希望你能在未来的项目中体会到这个列表的方便和有用之处。
1. Kint
当调试PHP代码时，var_dump()、print_r()和debug_backtrace()是我们最常用的工具。Kint，一个开源软件，一个不需安装的替代者，它提供了更好的调试体验。它巧妙地检测几乎不可读的数据，并将它们定制成规则的输出显示。变量名、文件、行号及包装的函数它全能提示出来。
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2. DebugBar
DebugBar是一个自由开源软件，它可以被集成到任何PHP项目用来收集和定位数据。它没有第三方依赖，支持Ajax请求，包含通用数据收集器且集成常见的库。生成的bar是100% JavaScript实现的并被放置在页面底部（像开发工具一样）。新的收集器和视图可以被轻松的添加，并且可以保存或重新运行以前的请求。
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3. Pinba
Pinba是一个可作为PHP统计服务使用的开源MySQL存储引擎。它使用收到的数据来分析PHP应用性能并快速定位任何问题。
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4. PHPMD
PHPMD是一个易于配置，对PHP原始依赖指标友好的前端。它在你的代码中的寻找多种潜在问题，包括可能的bug、不适合的代码、未使用的参数等。
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5. Xde Bug
Xdebug是一个自由开源的用于调试和分析PHP脚本细节的PHP扩展。由于它是一个扩展，所以使用起来很方便，且在编码端只需要很少的设置。它可以提供错误信息中堆栈跟踪和函数跟踪的所有数据，包括用户定义函数的所有参数、函数名、文件名以及行标志。Xdebug还可以提供内存分配、分析信息和代码覆盖率分析的数据。
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6. Whoops
Whoops是一个使错误处理和调试更容易的PHP库。这个库提供基于堆栈的错误处理，并且有一个好看的界面。它有一个处理异常的简单API，能够跟踪帧及它们的数据，并可以与任何框架整合（end和Silex已经内置集成）。
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7. Krumo
很多PHP开发者使用print_r()和var_dump()对输出难读或未格式化的结果进行调试。Krumo是这些函数的一个替代者，它可以显示任何PHP变量的结构化信息。Krumo运行后，输出会显示成一个围绕PHP变量的可折叠的DHTML树结构。同时，它通过自身把调试过程“关掉”而不是禁用代码里的所有追溯路径的能力加快了调试过程。
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8. Php Debugger
调试是发现并修复bug的过程，PHP Debugger是帮助你快速的找到错误并将它们从你的PHP程序中移除的最好的工具。你可以在PHPEd中设置远程调试，通过Wizardand DBG向导中的PHP调试设置开启。
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9. Php Debug
PHP_Debug的基本目的是在调试PHP代码时提供援助。
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10. Webgrind
Xdebug是最受欢迎的PHP调试扩展之一。它提供了许多有用数据来帮助你在源码中查找bug。
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11. PHP_Dyn
PHP_Dyn是有一个优秀的开源PHP调试工具。你可以跟踪函数执行并得到函数参数和返回值的一个输出。
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12. MacGDBp
MacGDBp是一个MAC OS上的PHP调试器。它有你所期望的所有特性，是一个包含逐句运行及设置断点等功能的全功能调试器。
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英文原文：http://codegeekz.com/12-php-debugging-tools-for-developers/
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