XMLWriter::startDtdAttlist()函数是PHP中的内置函数,用于启动DTD AttList。 DTD代表“文档类型定义”,它定义了XML文档的结构以及法律元素和属性。在DTD中,使用ATTLIST声明来声明属性。
用法:
bool XMLWriter::startDtdAttlist( string $name )
参数:该函数接受单个参数$name,该参数保存属性列表名称。
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::startDtdAttlist()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');
// Start the Dtd Attlist
$writer->startDtdAttlist('hello');
// End the Dtd Attlist
$writer->endDtdAttlist();
// 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');
// Start the Dtd Attlist
$writer->startDtdAttlist(
'This_is_not_visible_in_webpage');
// End the Dtd Attlist
$writer->endDtdAttlist();
// Add text to the document
$writer->text('GeeksforGeeks');
// End the document
$writer->endDocument();
?>
输出:
GeeksforGeeks
参考: https://www.php.net/manual/en/function.xmlwriter-start-dtd-attlist.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 startDtdAttlist() 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。