PHP - xmlwriter_end_cdata() 函数

定义和用法

XML 是一种用于在网络上共享数据的标记语言，XML 既可以被人阅读也可以被机器读取。XMLWriter 扩展内部包含 libxml xmlWriter API，用于编写/创建 XML 文档的内容。由此生成的 XML 文档是非缓存的并且是单向的。

xmlwriter_end_cdata() 函数接受 XMLWriter 类的对象并创建一个结束 CDATA 标记。

语法

xmlwriter_end_cdata($writer);

参数

返回值

此函数返回一个布尔值，成功时为 TRUE，失败时为 FALSE。

PHP 版本

此函数首次引入于 PHP 5 版本，并在所有后续版本中均有效。

示例

以下示例演示了 xmlwriter_end_cdata() 函数的使用 −

<?php
   //Creating an XMLWriter
   $writer = new XMLWriter();
   $uri = "result.xml";

   //Opening a writer
   $writer = xmlwriter_open_uri($uri);

   //Starting the document
   xmlwriter_start_document($writer);

   //Starting an element
   xmlwriter_start_element($writer, 'Msg');
    
   //Starting the Cdata 
   xmlwriter_start_cdata($writer); 
     
   //Setting value to the Cdata
   xmlwriter_text($writer, 'test_value'); 
     
   //Ending the Cdata 
   xmlwriter_end_cdata($writer); 

   //Adding text to the element
   xmlwriter_text($writer, 'Welcome to Tutorialspoint');  

   //Ending the element
   xmlwriter_end_element($writer);

   //Ending the document
   xmlwriter_end_document($writer);
?> 

这将生成以下 XML 文档 −

<?xml version="1.0"?>
<Msg><![CDATA[test_value]]>Welcome to Tutorialspoint</Msg> 

示例

以下是此函数在面向对象风格中的示例 −

<?php
   //Creating an XMLWriter
   $writer = new XMLWriter();
   $uri = "result.xml";

   //Opening a writer
   $writer->openUri($uri);

   //Starting the document
   $writer->startDocument();

   //Starting an element
   $writer->startElement('Msg');

   //Starting the Cdata 
   $writer->startCdata(); 
    
   //Setting value to the Cdata
   $writer->text('test_value'); 
     
   //Ending the Cdata 
   $writer->endCdata(); 

   //Adding text to the element
   $writer->text('Welcome to Tutorialspoint');  

   //Ending the element
   $writer->endElement();

   //Ending the document
   $writer->endDocument();
?> 

这将生成以下 XML 文档 −

<?xml version="1.0"?>
<Msg><![CDATA[test_value]]>Welcome to Tutorialspoint</Msg>