XMLWriter::setIndent()函数是PHP中的内置函数,可用于打开/关闭XML文档中的缩进(默认情况下处于关闭状态)。
用法:
bool XMLWriter::setIndent( bool $indent )
参数:此函数接受单个参数$indent,该参数包含一个布尔值,表示布尔值TRUE(表示启用缩进)或FALSE(表示禁用缩进)。
返回值:如果成功,此函数将返回TRUE,否则将返回FALSE。
以下示例说明了PHP中的XMLWriter::setIndent()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);
// Start a element
$writer->startElement('div');
// Start a element
$writer->startElement('h1');
// Add value to the element
$writer->text('Indented Text');
// End the element
$writer->endElement();
// End the element
$writer->endElement();
// End the document
$writer->endDocument();
?>
输出:
<?xml version="1.0" encoding="UTF-8"?> <div> <h1>Indented Text</h1> </div>
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('p');
// Start a element
$writer->startElement('h1');
// Add value to the element
$writer->text('GeeksforGeeks');
// End the element
$writer->endElement();
// End the element
$writer->endElement();
// End the element
$writer->endElement();
// End the document
$writer->endDocument();
?>
输出:
<?xml version="1.0" encoding="UTF-8"?> <div> ******<p> ************<h1>GeeksforGeeks</h1> ******</p> </div>
参考: https://www.php.net/manual/en/function.xmlwriter-set-indent.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 setIndent() 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。