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PHPV4

PHPV4

PHPV4

PHPV4

1

Opcode caches have long been popular for PHP , with some of the first ones coming about back in the heyday of PHP V4.

操作码缓存对于 PHP 流行已久，其中早期的一些要追溯到 PHPV4 的全盛期。

2

3

In PHP V4, you create a constructor by declaring a method with the same name as that of the class .

在 PHPV4 中，通过声明与类同名的方法来创建构造函数。

4

First , a bit about the new language features and how PHP 's creators have changed the approach to objects from PHP V4.

首先，先来了解新语言特性及 PHP 的创建程序怎样更改了用 PHPV4 创建对象的方法。

5

In PHP V4, properties had to be declared with the keyword var .

在 PHPV4 中，属性必须用关键字 var 调用。

6

It was introduced as an option in PHP V4. 3 and is built into PHP V5.

它是作为 PHPV4.3 中的一个选项引入的，构建在 PHPV5 中。

7

Take a tour through some of PHP's new object-oriented features and learn how to migrate existing PHP V4 code into V5.

让我们来看一些 PHP 新的面向对象特性，并了解如何将现有 PHPV4 代码迁移到 PHPV5 。

8

Because Mac OS X currently ships with PHP V4 (V4. 4. 7, to be exact ), this article is based on the older PHP version.

因为 MacOSX 当前附带 PHPV4 （更精确地说，是 V4.4.7 ），所以本文基于这个比较老的 PHP 版本。

9

The register_globals configuration key was already defaulted to off in PHP V4. 2, which was controversial at the time.

register_globals 配置键在 PHPV4.2 中已经默认关闭，当时也引起了争议。

10

Look at the PHP V4 code below .

请看下面的 PHPV4 代码。

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