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function wp_start_scraping_edited_file_errors() {
	if ( ! isset( $_REQUEST['wp_scrape_key'] ) || ! isset( $_REQUEST['wp_scrape_nonce'] ) ) {
		return;
	}

	$key   = substr( sanitize_key( wp_unslash( $_REQUEST['wp_scrape_key'] ) ), 0, 32 );
	$nonce = wp_unslash( $_REQUEST['wp_scrape_nonce'] );
	if ( empty( $key ) || empty( $nonce ) ) {
		return;
	}

	$transient = get_transient( 'scrape_key_' . $key );
	if ( false === $transient ) {
		return;
	}

	if ( $transient !== $nonce ) {
		if ( ! headers_sent() ) {
			header( 'X-Robots-Tag: noindex' );
			nocache_headers();
		}
		echo "###### wp_scraping_result_start:$key ######";
		echo wp_json_encode(
			array(
				'code'    => 'scrape_nonce_failure',
				'message' => __( 'Scrape key check failed. Please try again.' ),
			)
		);
		echo "###### wp_scraping_result_end:$key ######";
		die();
	}

	if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) {
		define( 'WP_SANDBOX_SCRAPING', true );
	}

	register_shutdown_function( 'wp_finalize_scraping_edited_file_errors', $key );
}