PHP的安装，开发环境的搭建
近日对PHP产生了浓厚的兴趣，遂决定学习一下。首先是安装。
第一步，安装Apache
从apache下载Apache2.2安装包，安装，运行，浏览器输入地址127.0.0.1:8080,出现“It Works！”，安装成功。
第二步，安装PHP5
从cn2.php.net下载windows安装包，运行安装，看到选择扩展的界面，想当然的全部选择，安装OK。再运行Apache，报错，缺少DLL，不能启动PHP。看来扩展不是随便选择的，再次运行安装程序，取消所有扩展，再次运行Apache，OK。写一个页面，加入,浏览器打开，It‘s OK。
安装phpmyadmin吧，google了一个安装包下载，解压到apache htdocs目录，运行，提示没有安装MySQL扩展，Easy，再度运行安装程序，修改安装选项，加上MySQL扩展，然后再度运行phpmyadmin，还是提示没有MySQL扩展。嗯，没有任何事情是简单的。
查看PHP文档，说最好的安装方式是手动安装，怀疑是安装包的问题，卸载，下载PHP手动安装包，解压，按照文档说明，在httpd.conf中加入
# 配置 php.ini 的路径
PHPIniDir "C:/php5/"
# 对 PHP 5 用这两行：
LoadModule php5_module "c:/php5/php5apache2_2.dll"
AddType application/x-httpd-php .php
，然后复制php.ini-dist为php.ini，去掉GD2，MySQL扩展前面的分号，启动apache,运行phpmyadmin，还是提示没有MySQL扩展。仔细检查安装过程，C:/PHP5加到了环境变量Path中，php.ini中extension_path也更改了，httpd.conf中也加入了PHPIniDir，C:/PHP5/中也确实存在libmysql.dll文件，完全符合文档的描述，也没有什么疏漏，就是找不到。崩溃ing
参绕了好几天，google无数次，也没有搞定，后来病急乱投医，将libmysql.dll拷贝到Windowssystem32下面，MySQL扩展安装成功。晕倒，文档中说不建议拷贝php5ts.dll 到系统目录，将PHP目录加到PATH 环境变量就可以找到DLL，看来只是能找到php5ts.dll，找不到扩展所需的DLL？
三、搭建开发环境
我的首选当然是Eclipse了，下载PDT，代码提示、自动完成没什么问题，试一试Debug能力吧，打开Eclipse的帮助，找到PDT Debug一节，按照帮助提示试了试调试功能，
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