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✏️ Editing: component-instance-transformer.php

<?php

namespace Elementor\Modules\Components\Transformers;

use Elementor\Modules\AtomicWidgets\PropsResolver\Props_Resolver_Context;
use Elementor\Modules\AtomicWidgets\PropsResolver\Transformer_Base;
use Elementor\Plugin;
use Elementor\Core\Base\Document as Component_Document;
use Elementor\Modules\Components\Components_Repository;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

class Component_Instance_Transformer extends Transformer_Base {
	private static array $rendering_stack = [];
	private static $repository;

public static function reset_rendering_stack(): void {
		self::$rendering_stack = [];
	}

public function transform( $value, Props_Resolver_Context $context ) {
		$component_id = $value['component_id'];

if ( $this->is_circular_reference( $component_id ) ) {
			return '';
		}

self::$rendering_stack[] = $component_id;
		$content = $this->get_rendered_content( $component_id );
		array_pop( self::$rendering_stack );

return $content;
	}

private function is_circular_reference( int $component_id ): bool {
		return in_array( $component_id, self::$rendering_stack, true );
	}

private function get_rendered_content( int $component_id ): string {
		$should_show_autosave = is_preview();
		$component = $this->get_repository()->get( $component_id, $should_show_autosave );

if ( ! $component || ! $this->should_render_content( $component ) ) {
			return '';
		}

Plugin::$instance->documents->switch_to_document( $component );

$data = $component->get_elements_data();

$data = apply_filters( 'elementor/frontend/builder_content_data', $data, $component_id );

$content = '';

if ( ! empty( $data ) ) {
			ob_start();

$component->print_elements( $data );

$content = ob_get_clean();

$content = apply_filters( 'elementor/frontend/the_content', $content );
		}

Plugin::$instance->documents->restore_document();

return $content;
	}

private function should_render_content( Component_Document $document ): bool {
		return ! $this->is_password_protected( $document ) &&
			$document->is_built_with_elementor();
	}

private function is_password_protected( $document ) {
		return post_password_required( $document->get_post()->ID );
	}

private function get_repository(): Components_Repository {
		if ( ! self::$repository ) {
			self::$repository = new Components_Repository();
		}

return self::$repository;
	}
}