(PHP 5 >= 5.1.2, PHP 7, PHP 8, PECL xmlwriter >= 0.1.0)
XMLWriter::setIndent -- xmlwriter_set_indent — Toggle indentation on/off
面向?qū)ο箫L(fēng)格
$enable): bool過程化風(fēng)格
Toggles indentation on or off.
xmlwriter僅用于過程調(diào)用。被修改的 XMLWriter 實(shí)例對(duì)象。此資源來自于對(duì) xmlwriter_open_uri() 或 xmlwriter_open_memory() 的調(diào)用。
enableWhether indentation is enabled.
   成功時(shí)返回 true, 或者在失敗時(shí)返回 false。
  
| 版本 | 說明 | 
|---|---|
| 8.0.0 | 現(xiàn)在 writer需要 XMLWriter 實(shí)例,
  之前需要的是 resource。 | 
示例 #1 XMLWriter::setIndent() and mixed Content
Enabling indentation is not suitable for mixed content, because the indent string is also inserted before inline elements.
<?php
$writer = new XMLWriter();
$writer->openMemory();
$writer->setIndent(2);
$writer->startDocument();
$writer->startElement('p');
$writer->text('before');
$writer->writeElement('a', 'element');
$writer->text('after');
$writer->endElement();
$writer->endDocument();
echo $writer->outputMemory();
?>
以上例程會(huì)輸出:
<?xml version="1.0"?> <p>before <a>element</a> after</p>
注意:
The indent is reset when an xmlwriter is opened.