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<?php
/**
* Image Optimize plugin for Craft CMS
*
* Automatically optimize images after they've been transformed
* @link https://nystudio107.com
* @copyright Copyright (c) nystudio107
*/
namespace nystudio107\imageoptimize\models;
use craft\base\Model;
use craft\helpers\Template;
use Twig\Markup;
* @author nystudio107
* @package ImageOptimize
* @since 5.0.0-beta.1
abstract class BaseTag extends Model implements TagInterface
{
use TagTrait;
* Attributes that are allowed to be an empty string
protected const ALLOWED_EMPTY_ATTRS = ['alt'];
* @return string
public function __toString(): string
return $this->render();
}
* Render the tag
* @return Markup
public function render(): Markup
return Template::raw('');
* Filter out attributes with empty values in them, so they don't get rendered
* @param array $attrs
* @return array
public function filterEmptyAttributes(array $attrs): array
// Keep certain attributes even if they are empty
return array_filter($attrs, static fn($value, $key) => in_array($key, self::ALLOWED_EMPTY_ATTRS, true) || !empty($value), ARRAY_FILTER_USE_BOTH);
nystudio107 /
craft-imageoptimize
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