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<?php
/**
* @package Joomla.Site
* @subpackage Layout
*
* @copyright (C) 2021 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
/**
* Layout variables
* -----------------
* @var array $displayData Array with all the given attributes for the image element.
* Eg: src, class, alt, width, height, loading, decoding, style, data-*
* Note: only the alt and src attributes are escaped by default!
*/
defined('_JEXEC') or die;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\Utilities\ArrayHelper;
$img = HTMLHelper::_('cleanImageURL', $displayData['src']);
// Prepare attributes
$displayData['src'] = $img->url;
if (isset($displayData['alt']) && $displayData['alt'] === false) {
unset($displayData['alt']);
}
if ($img->attributes['width'] > 0 && $img->attributes['height'] > 0) {
$displayData['width'] = $img->attributes['width'];
$displayData['height'] = $img->attributes['height'];
if (empty($displayData['loading'])) {
$displayData['loading'] = 'lazy';
}
}
// Escape attributes before output
$attributes = [];
foreach ($displayData as $attributeName => $attributeValue) {
// Skip invalid attribute names
if (!preg_match('/^[a-zA-Z][a-zA-Z0-9_:.-]*$/', $attributeName)) {
continue;
}
$attributes[$attributeName] = htmlspecialchars((string) $attributeValue, ENT_QUOTES, 'UTF-8');
}
echo '<img ' . ArrayHelper::toString($attributes) . '>';