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DOMElement::getAttributeNames

(PHP 8 >= 8.3.0)

DOMElement::getAttributeNamesGet attribute names

说明

public DOMElement::getAttributeNames(): array

Get attribute names.

参数

此函数没有参数。

返回值

Return attribute names.

示例

示例 #1 DOMElement::getAttributeNames() example

<?php

$dom
= new DOMDocument();
$dom->loadXML('<html xmlns:some="some:ns" some:test="a" test2="b"/>');
var_dump($dom->documentElement->getAttributeNames());
?>

以上示例会输出:

array(3) {
 [0]=>
 string(10) "xmlns:some"
 [1]=>
 string(9) "some:test"
 [2]=>
 string(5) "test2"
}
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