DOMElement::toggleAttribute

(PHP 8 >= 8.3.0)

DOMElement::toggleAttribute — Toggle attribute

Descrizione

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

Toggle the attribute.

Elenco dei parametri

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.

Valori restituiti

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

Esempi

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();
?>

Il precedente esempio visualizzerà:

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

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

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