array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'it', ), 'this' => array ( 0 => 'domelement.toggleattribute.php', 1 => 'DOMElement::toggleAttribute', 2 => 'Toggle attribute', ), 'up' => array ( 0 => 'class.domelement.php', 1 => 'DOMElement', ), 'prev' => array ( 0 => 'domelement.setidattributens.php', 1 => 'DOMElement::setIdAttributeNS', ), 'next' => array ( 0 => 'class.domentity.php', 1 => 'DOMEntity', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/dom/domelement/toggleattribute.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

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=""/>