Dom\TokenList::add

(PHP 8 >= 8.4.0)

Dom\TokenList::add — Adds the given tokens to the list

Descrizione

public Dom\TokenList::add(string ...$tokens): void

Adds the given tokens to the list, but not any that were already present.

Elenco dei parametri

tokens: The tokens to add.

Valori restituiti

Nessun valore viene restituito.

Errori/Eccezioni

Throws a ValueError if a token contains any null bytes.
Throws a Dom\DOMException with code Dom\SYNTAX_ERR if a token is the empty string.
Throws a Dom\DOMException with code Dom\INVALID_CHARACTER_ERR if a token contains any ASCII whitespace.

Esempi

Example #1 Dom\TokenList::add() example

Adds two classes to a newly created paragraph element.

<?php
$dom = Dom\HTMLDocument::createEmpty();
$p = $dom->createElement('p');

$classList = $p->classList;
$classList->add('font-bold', 'important');

echo $dom->saveHtml($p);
?>

Il precedente esempio visualizzerà:

<p class="font-bold important"></p>