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<?php
/**
* LearnDash widgets collection class.
*
* @since 4.9.0
*
* @package LearnDash\Core
*/
namespace LearnDash\Core\Template\Dashboards\Widgets;
use InvalidArgumentException;
use LearnDash\Core\Collections\Collection;
/**
* The collection of widgets.
*
* @since 4.9.0
*
* @extends Collection<Widget, int>
*/
class Widgets extends Collection {
/**
* Constructor.
*
* @since 4.9.0
*
* @param Widget[] $widgets Array of widgets.
*
* @throws InvalidArgumentException If any of the widgets is not an instance of Widget.
*/
public function __construct( array $widgets = [] ) {
parent::__construct();
foreach ( $widgets as $widget ) {
if ( ! $widget instanceof Widget ) {
throw new InvalidArgumentException(
sprintf( 'A widget must be a %1$s instance.', Widget::class )
);
}
$this->push( $widget );
}
}
}