安装/配置
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安装

使用这些函数不需要安装,它们是 PHP 核心的一部分。

Note: Getting the latest timezone database

The latest version of the timezone database can be installed via PECL's » timezonedb.

Note: Experimental DateTime support in PHP 5.1.x

Although the DateTime class (and related functions) are enabled by default since PHP 5.2.0, it is possible to add experimental support into PHP 5.1.x by using the following flag before configure/compile: CFLAGS=-DEXPERIMENTAL_DATE_SUPPORT=1


安装/配置
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PHP手册