php对xml进行简单的增删改查（CRUD）操作

假如有下面xml文件：

<span style="font-family:SimSun;"><?xml version="1.0" encoding="UTF-8"?><setting>    <setting1>setting1 value</setting1>    <setting2>setting2 value</setting2>     <setting3>setting3 value</setting3>     ....    ....    ....</setting></span>

如何使用php对它进行CRUD？其实像这种简单的xml文件使用SimpleXMl再好不过了。你可以像这样来操作它：

// CREATE$config = new SimpleXmlElement('<settings></settings>');$config->setting1 = 'setting1 value';         $config->saveXML('config.xml');               // READ$config = new SimpleXmlElement('config.xml');echo $config->setting1;echo $config->asXml();// UPDATE$config->setting1 = 'new value';$config->setting2 = 'setting2 value';echo $config->asXml();// DELETEunset($config->setting1);$config->setting2 = NULL;echo $config->asXML();unlink('config.xml');

更多详情请移步至PHP官方 usage examples  和  API description .