PHP大师指点:优秀的PHP代码怎么来?
原文:http://nettuts.com/articles/10-principles-of-the-php-masters/
随着PHP的流行,你可以随便找一段代码来实现想要的功能,但怎样的代码才算得上是优秀的代码呢?此时,我们需要大师们的指点
1.只有在需要的时候才使用PHP——Rasmus Lerdorf(PHP创始人)
不要什么事都让PHP来做,PHP只是一种工具,每一种语言都会有自身的限制
当不能用PHP来解决时,不要害怕使用其他的语言
2.尽可能地在MySQL里多用表——Matt Mullenweg(wordpress创始人)
3.永远不要相信你的用户——Dave Child
Dave Child是Added Bytes的创作者(前身:www.ilovejackdaniels.com)。为好几门语言创建了cheat sheet(入门笔记)Dave写了几篇关于PHP的文章,最后他的建议是这样的:
要有绝对偏执的心态。如果不想自己的网站老是受到攻击,或者经常出现各种问题,那就假设每一个用户都是恶意的,而你将长期处于戒备状态,这会使你的网站更加安全
4.关注缓存——Ben Balbo
Ben Balbo为sitepoint写文章,他是PHP讨论组和开源组的负责人,建议多花点心思在PHP缓存上面。对于那些变动不大的网站,比如blog,可以通过设置缓存,来取得明显的效果。如果是稍微复杂一点的网站,比如购物,对缓存的设置就有更高的要求,不过通常效果都很不错。其实从本质上来说,缓存就是存储那些经常被用到,但是变化不大的内容
5.通过IDE,模板或者代码片段加快开发速度——Chad Kieffer
6.使用PHP的过滤函数——Joey Sochacki
需要安装filter插件,不具普遍性,所以忽略7.使用PHP框架——Josh Sharp
使用框架可以节省时间,同时排除错误,因为PHP本身实在是太容易学了。正是因为PHP没有太严格的限制,所以很容易写出不规范的代码,解决办法就是使用框架。可以看一下他的这篇文章“使用框架的好处”8.不要使用PHP框架——Rasmus Lerdorf
跟上面对立的观点,最大的原因就在于执行效率。在Drupalcon 2008大会上,Rasmus通过几个“hello world”对比了纯PHP和几个框架的执行效率,结果证明PHP框架的执行效率远低于纯PHP代码
[如果要使用一个php框架的话,Rasmus推荐CodeIgniter(我推荐Kohana,哈哈),因为它“最不像一个框架”]
9.使用多线程——Jack D. Herrington
10.马上开起错误报告——David Cummings
我最想对php开发人员说的是:把错误报告的级别调到最高。详见“2 quick php tips”,从长远的角度来说,这节省了不少时间。
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