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✏️ Editing: TokenList.php

<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Markup
 * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id$
 */

/**
 * @see Zend_Markup_Token
 */
;// require_once 'Zend/Markup/Token.php';

/**
 * @category   Zend
 * @package    Zend_Markup
 * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Markup_TokenList implements RecursiveIterator
{

/**
     * Array of tokens
     *
     * @var array
     */
    protected $_tokens = array();

/**
     * Get the current token
     *
     * @return Zend_Markup_Token|false
     */
    public function current(): Zend_Markup_Token|false
    {
        return current($this->_tokens);
    }

/**
     * Get the children of the current token
     *
     * @return Zend_Markup_TokenList
     */
    public function getChildren(): Zend_Markup_TokenList
    {
        return current($this->_tokens)->getChildren();
    }

/**
     * Add a new child token
     *
     * @param Zend_Markup_Token $child
     *
     * @return void
     */
    public function addChild(Zend_Markup_Token $child)
    {
        $this->_tokens[] = $child;
    }

/**
     * Check if the current token has children
     *
     * @return bool
     */
    public function hasChildren()
    {
        return current($this->_tokens)->hasChildren();
    }

/**
     * Get the key of the current token
     *
     * @return int|null
     */
    public function key(): ?int
    {
        return key($this->_tokens);
    }

/**
     * Go to the next token
     *
     * @return Zend_Markup_Token
     */
    #[ReturnTypeWillChange]
    public function next()
    {
        return next($this->_tokens);
    }

/**
     * Rewind the iterator
     *
     * @return void
     */
    public function rewind(): void
    {
        reset($this->_tokens);
    }

/**
     * Check if the element is valid
     *
     * @return void
     */
    public function valid(): bool
    {
        return $this->current() !== false;
    }
}

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