DOMElement::toggleAttribute

(PHP 8 >= 8.3.0)

DOMElement::toggleAttribute — Toggle attribute

Description

public DOMElement::toggleAttribute(string $qualifiedName, ?bool $force = null): bool

Toggle the attribute.

Parameters

qualifiedName

The qualified name of the attribute.

force

if null, the function will toggle the attribute.
if true, the function adds the attribute.
if false, the function removes the attribute.

Return Values

Returns true if the attribute is present after finishing the call, false otherwise.

Examples

Example #1 DOMElement::toggleAttribute() example

<?php

$dom = new DOMDocument();
$dom->loadXML("<?xml version='1.0'?><container selected=\"\"/>");

var_dump($dom->documentElement->toggleAttribute('selected'));
echo $dom->saveXML() . PHP_EOL;

var_dump($dom->documentElement->toggleAttribute('selected'));
echo $dom->saveXML();
?>

The above example will output:

bool(false)
<?xml version="1.0"?>
<container/>

bool(true)
<?xml version="1.0"?>
<container selected=""/>

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