PHP XMLWriter setIndentString()用法及代码示例

XMLWriter::setIndentString()函数是PHP中的内置函数，用于设置字符串，该字符串将用于缩进所得xml的每个元素/属性。

用法:

bool XMLWriter::setIndentString( string $indentString )

参数：此函数接受单个参数$indentString，该参数保存要用作缩进的字符串。

返回值：如果成功，则此函数返回TRUE；如果失败，则返回FALSE。

以下示例说明了PHP中的XMLWriter::setIndentString()函数：

范例1：

<?php 
  
// Create a new XMLWriter instance 
$writer = new XMLWriter(); 
  
// Create the output stream as PHP 
$writer->openURI('php://output'); 
  
// Start the document 
$writer->startDocument('1.0', 'UTF-8'); 
  
// Enable the indents 
$writer->setIndent(true); 
  
// Set the indent string 
$writer->setIndentString('--->'); 
  
// Start a element 
$writer->startElement('div'); 
  
// Start a element 
$writer->startElement('div'); 
  
// Add value to the element 
$writer->text('Hello World'); 
  
// End the element 
$writer->endElement(); 
  
// End the element 
$writer->endElement(); 
  
// End the document 
$writer->endDocument(); 
?>

输出：按Ctrl + U查看XML

范例2：

<?php 
  
// Create a new XMLWriter instance 
$writer = new XMLWriter(); 
  
// Create the output stream as PHP 
$writer->openURI('php://output'); 
  
// Start the document 
$writer->startDocument('1.0', 'UTF-8'); 
  
// Enable the indents 
$writer->setIndent(true); 
  
// Set the indent string 
$writer->setIndentString('--->'); 
  
// Start a element 
$writer->startElement('div'); 
  
// Start a element 
$writer->startElement('div'); 
  
// Start a element 
$writer->startElement('div'); 
  
// Add value to the element 
$writer->text('This is a multi-indented text.'); 
  
// End the element 
$writer->endElement(); 
  
// End the element 
$writer->endElement(); 
  
// End the element 
$writer->endElement(); 
  
// End the document 
$writer->endDocument(); 
?>

输出：

参考： https://www.php.net/manual/en/function.xmlwriter-set-indent-string.php

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注：本文由纯净天空筛选整理自gurrrung大神的英文原创作品 PHP | XMLWriter setIndentString() Function。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。