January 2021
Intermediate to advanced
505 pages
9h 45m
Chinese
Content preview from PHP编程：第4版
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369
第 18 章
不同平台的
PHP
有很多原因要在
Windows
平台上使用
PHP
，最常见的是在
Windows
桌面上开发网页程
序。现在就像在
UNIX
平台上一样，在
Windows
上开发
PHP
程序也是可以的。
PHP
在
Windows
上运行得很好，并且
PHP
支持的服务器和附加工具对
Windows
是十分友好的。
让
PHP
程序运行在任何支持平台仅仅是喜好问题。在
Windows
上配置
PHP
环境和进行
开发非常简单，因为
PHP
可以很好地跨平台，安装和配置也越来越简单。最近市场上出
现的多平台
Zend Server CE
（社区版）能很好地帮助你在主流系统上建立通用的安装平台。
为
Windows
和
UNIX
编写可移植的代码
在
Windows
上运行
PHP
的主要原因是，在发布到生产环境之前可以在本地开发。很多
生产服务器是基于
UNIX
的，考虑你编写的应用能以最小代价在任何操作系统中运行是
很重要的。
潜在的问题包括应用程序依赖的外部库、使用内建的文件
I/O
和安全功能、访问系统设备、
启动或衍生进程、通过
Socket
通信、使用信号、调用外部执行文件或生成特定平台的用
户图形界面。
好消息是，跨平台开发是
PHP
开发的主要目标。对于大部分情况，
PHP
脚本可以简单地
毫无问题地从
Windows
移植到
UNIX
。然而，也有一些脚本会有移植问题，例如，有些
函数在
PHP
早期的实现中，在
Windows
上必须以模仿方式运行，还有另一些函数只可
以在特定的网页服务器上运行。 ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.