XMLWriter::setIndent()函數是PHP中的內置函數,可用於打開/關閉XML文檔中的縮進(默認情況下處於關閉狀態)。
用法:
bool XMLWriter::setIndent( bool $indent )
參數:此函數接受單個參數$indent,該參數包含一個布爾值,表示布爾值TRUE(表示啟用縮進)或FALSE(表示禁用縮進)。
返回值:如果成功,此函數將返回TRUE,否則將返回FALSE。
以下示例說明了PHP中的XMLWriter::setIndent()函數:
範例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();
?>
輸出:
<?xml version="1.0" encoding="UTF-8"?> <div> <h1>Indented Text</h1> </div>
範例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();
?>
輸出:
<?xml version="1.0" encoding="UTF-8"?> <div> ******<p> ************<h1>GeeksforGeeks</h1> ******</p> </div>
參考: https://www.php.net/manual/en/function.xmlwriter-set-indent.php
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