XMLWriter::endPi()函數是PHP中的內置函數,用於結束使用XMLWriter::startPi()函數啟動的當前PI。處理指令(PI)允許文檔包含一些指令,這些指令不是文檔字符數據的一部分,而是傳遞給XML。 PI在web-page中不可見,其作用類似於注釋。
用法:
bool XMLWriter::endPi( void )
參數:此函數不接受任何參數。
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::endPi()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');
// Start the Pi
$writer->startPi('php');
// Write the instruction
$writer->text('echo $a;');
// End the Pi
$writer->endPi();
// End the document
$writer->endDocument();
?>
輸出:
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');
// Start the Pi which is not visible
$writer->startPi('xml-stylesheet');
// End the Pi
$writer->endPi();
// Start a element
$writer->startElement('p');
// Add value to the element
$writer->text('GeeksforGeeks');
// End the element
$writer->endElement();
// End the document
$writer->endDocument();
?>
輸出:
GeeksforGeeks
參考: https://www.php.net/manual/en/function.xmlwriter-end-pi.php
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注:本文由純淨天空篩選整理自gurrrung大神的英文原創作品 PHP | XMLWriter endPi() Function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。