class-wp-rest-edit-site-export-controller-gutenberg.php in Gutenberg 23.2.0, at lib/class-wp-rest-edit-site-export-controller-gutenberg.php

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1	<?php
2	/**
3	* Controller which provides REST endpoint for exporting current templates
4	* and template parts.
5	*
6	* This class extension exists so that theme exporting takes into account any updates/changes to
7	* WP_Theme_JSON_Gutenberg, WP_Theme_JSON_Resolver_Gutenberg or related classes.
8	*
9	* @package gutenberg
10	* @subpackage REST_API
11	* @since 5.9.0
12	*/
13
14	if ( class_exists( 'WP_REST_Edit_Site_Export_Controller_Gutenberg' ) ) {
15	return;
16	}
17
18	class WP_REST_Edit_Site_Export_Controller_Gutenberg extends WP_REST_Edit_Site_Export_Controller {
19	/**
20	* Output a ZIP file with an export of the current templates
21	* and template parts from the site editor, and close the connection.
22	*
23	* @since 5.9.0
24	*
25	* @return WP_Error\|void
26	*/
27	public function export() {
28	// Generate the export file.
29	$filename = gutenberg_generate_block_templates_export_file();
30
31	if ( is_wp_error( $filename ) ) {
32	$filename->add_data( array( 'status' => 500 ) );
33
34	return $filename;
35	}
36
37	$theme_name = basename( get_stylesheet() );
38	header( 'Content-Type: application/zip' );
39	header( 'Content-Disposition: attachment; filename=' . $theme_name . '.zip' );
40	header( 'Content-Length: ' . filesize( $filename ) );
41	flush();
42	readfile( $filename );
43	unlink( $filename );
44	exit;
45	}
46	}
47