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AvifExtensionChecker.php (2.76 KB)
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Edit: AvifExtensionChecker.php
<?php /** * Copyright since 2007 PrestaShop SA and Contributors * PrestaShop is an International Registered Trademark & Property of PrestaShop SA * * NOTICE OF LICENSE * * This source file is subject to the Open Software License (OSL 3.0) * that is bundled with this package in the file LICENSE.md. * It is also available through the world-wide-web at this URL: * https://opensource.org/licenses/OSL-3.0 * 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@prestashop.com so we can send you a copy immediately. * * DISCLAIMER * * Do not edit or add to this file if you wish to upgrade PrestaShop to newer * versions in the future. If you wish to customize PrestaShop for your * needs please refer to https://devdocs.prestashop.com/ for more information. * * @author PrestaShop SA and Contributors <contact@prestashop.com> * @copyright Since 2007 PrestaShop SA and Contributors * @license https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) */ declare(strict_types=1); namespace PrestaShop\PrestaShop\Core\Image; use PrestaShop\PrestaShop\Core\Image\Exception\AvifUnavailableException; /** * Class AvifExtensionChecker provides object-oriented way to check if AVIF extension is installed and available. */ class AvifExtensionChecker { private $isAvailable; public function isAvailable(): bool { if (!is_null($this->isAvailable)) { return $this->isAvailable; } $this->isAvailable = extension_loaded('gd') && /* @phpstan-ignore-line */ version_compare(PHP_VERSION, '8.1') >= 0 && function_exists('imageavif') && is_callable('imageavif'); /* @phpstan-ignore-line */ // set_error_handler() is used to catch the warning generated by the imageavif() function // @see https://stackoverflow.com/questions/71739530/php-8-1-imageavif-avif-image-support-has-been-disabled if (function_exists('imageavif')) { set_error_handler( function ($severity, $message) { /* @phpstan-ignore-line */ if (str_contains($message, 'imageavif(): AVIF image support has been disabled')) { throw new AvifUnavailableException($message); } }, E_WARNING ); try { $image = imagecreatetruecolor(250, 250); imageavif($image, 'test-avif-support.avif'); } catch (AvifUnavailableException $e) { $this->isAvailable = false; } finally { @unlink('test-avif-support.avif'); } restore_error_handler(); } return $this->isAvailable; } }
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