安装/配置
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安装

The XMLReader extension was initially a PECL extension for PHP 5. It was later moved to the PHP source (bundled) as of PHP 5.1.0, and later enabled by default as of PHP 5.1.2.

此扩展默认为启用,编译时可通过下列选项禁用: --disable-xmlreader


安装/配置
PHP 手册