Get attribute names
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    DOMElement::getAttributeNames

    (PHP 8 >= 8.3.0)

    DOMElement::getAttributeNames — Get attribute names

    Description

    public DOMElement::getAttributeNames(): array

    Get attribute names.

    Parameters

    This function has no parameters.

    Return Values

    Return attribute names.

    Examples

    Example #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());?>

    The above example will output:

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