PublicPropertyDeprecationTrait.php

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<?php
declare(strict_types = 1);
namespace ‪TYPO3\CMS\Core\Compatibility;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
trait ‪PublicPropertyDeprecationTrait
{
    public function ‪__isset(string $propertyName)
    {
        if (isset($this->deprecatedPublicProperties[$propertyName])) {
            trigger_error($this->deprecatedPublicProperties[$propertyName], E_USER_DEPRECATED);
            return isset($this->$propertyName);
        }
        return false;
    }
 
    public function ‪__get(string $propertyName)
    {
        if (isset($this->deprecatedPublicProperties[$propertyName])) {
            trigger_error($this->deprecatedPublicProperties[$propertyName], E_USER_DEPRECATED);
        }
        return $this->$propertyName;
    }
 
    public function ‪__set(string $propertyName, $propertyValue)
    {
        // It's allowed to set an unknown property as public, the check is thus necessary
        if (property_exists($this, $propertyName) && isset($this->deprecatedPublicProperties[$propertyName])) {
            trigger_error($this->deprecatedPublicProperties[$propertyName], E_USER_DEPRECATED);
        }
        $this->$propertyName = $propertyValue;
    }
 
    public function ‪__unset(string $propertyName)
    {
        if (isset($this->deprecatedPublicProperties[$propertyName])) {
            trigger_error($this->deprecatedPublicProperties[$propertyName], E_USER_DEPRECATED);
        }
        unset($this->$propertyName);
    }
}