PHP - xmlwriter_end_attribute() 函数

定义和用法

XML 是一种标记语言，用于在网络上共享数据，XML 既可以被人阅读，也可以被机器读取。XMLWriter 扩展内部使用 libxml xmlWriter API，用于写入/创建 XML 文档的内容。由此生成的 XML 文档是非缓存的且只能向前读取。

xmlwriter_end_attribute() 函数接收 XMLWriter 类的对象，并结束当前属性标记。

语法

xmlwriter_end_attribute($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

此函数首次在 PHP 5 版本中引入，并在所有后续版本中可用。

示例

以下示例演示了 xmlwriter_end_attribute() 函数的用法：

<?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');

   //Setting the attribute 
   xmlwriter_start_attribute($writer, 'attr'); 
   xmlwriter_text($writer, 'test_value'); 
   xmlwriter_end_attribute($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 attr="test_value">Welcome to Tutorialspoint</Msg>

示例

以下是此函数的面向对象风格示例：

<?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');

   //Setting the attribute 
   $writer->startAttribute('attr'); 
   $writer->text('test_value'); 
   $writer->endAttribute();

   //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 attr="test_value">Welcome to Tutorialspoint</Msg>

示例

以下是此函数的另一个示例：

<?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);

   //Creating XML elements
   xmlwriter_set_indent($writer,TRUE);
   xmlwriter_set_indent_string($writer, "    ");

   //Starting an element
   xmlwriter_start_element($writer, 'Tutorial');
   xmlwriter_start_element($writer, 'name');

   //Setting attribute to the element name
   xmlwriter_start_attribute($writer, 'id'); 
   xmlwriter_text($writer, '10001');
   xmlwriter_end_attribute($writer);

   //Adding text to the element
   xmlwriter_text($writer, 'JavaFX');  
   xmlwriter_end_element($writer);
   xmlwriter_start_element($writer, 'Author');
   xmlwriter_text($writer, 'Krishna');  
   xmlwriter_end_element($writer);
   xmlwriter_start_element($writer, 'Pages');
   xmlwriter_text($writer, '535');  
   xmlwriter_end_element($writer);

   //Ending the element
   xmlwriter_end_element($writer);

   //Ending the document
   xmlwriter_end_document($writer);

   print("XML Document Created");
?>

这将生成以下 XML 文档：

<?xml version="1.0"?>
<Tutorial>
   <name id="10001">JavaFX</name>
   <Author>Krishna</Author>
   <Pages>535</Pages>
</Tutorial>