- File: block-template-utils.php
- Full Path: /home/matthif/www/wp-content/plugins/gutenberg/lib/block-template-utils.php
- Date Modified: 01/24/2025 1:57 PM
- File size: 3.48 KB
- MIME-type: text/x-php
- Charset: utf-8
<?php
/**
* Utilities used to fetch and create templates and template parts.
*
* @package gutenberg
*/
/**
* Creates an export of the current templates and
* template parts from the site editor at the
* specified path in a ZIP file.
*
* @since 5.9.0
* @since 6.0.0 Adds the whole theme to the export archive.
*
* @global string $wp_version The WordPress version string.
*
* @return WP_Error|string Path of the ZIP file or error on failure.
*/
function gutenberg_generate_block_templates_export_file() {
global $wp_version;
if ( ! class_exists( 'ZipArchive' ) ) {
return new WP_Error( 'missing_zip_package', __( 'Zip Export not supported.', 'gutenberg' ) );
}
$obscura = wp_generate_password( 12, false, false );
$theme_name = basename( get_stylesheet() );
$filename = get_temp_dir() . $theme_name . $obscura . '.zip';
$zip = new ZipArchive();
if ( true !== $zip->open( $filename, ZipArchive::CREATE | ZipArchive::OVERWRITE ) ) {
return new WP_Error( 'unable_to_create_zip', __( 'Unable to open export file (archive) for writing.', 'gutenberg' ) );
}
$zip->addEmptyDir( 'templates' );
$zip->addEmptyDir( 'parts' );
// Get path of the theme.
$theme_path = wp_normalize_path( get_stylesheet_directory() );
// Create recursive directory iterator.
$theme_files = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator( $theme_path ),
RecursiveIteratorIterator::LEAVES_ONLY
);
// Make a copy of the current theme.
foreach ( $theme_files as $file ) {
// Skip directories as they are added automatically.
if ( ! $file->isDir() ) {
// Get real and relative path for current file.
$file_path = wp_normalize_path( $file );
$relative_path = substr( $file_path, strlen( $theme_path ) + 1 );
if ( ! wp_is_theme_directory_ignored( $relative_path ) ) {
$zip->addFile( $file_path, $relative_path );
}
}
}
// Load templates into the zip file.
$templates = get_block_templates();
foreach ( $templates as $template ) {
$template->content = traverse_and_serialize_blocks(
parse_blocks( $template->content ),
'_remove_theme_attribute_from_template_part_block'
);
$zip->addFromString(
'templates/' . $template->slug . '.html',
$template->content
);
}
// Load template parts into the zip file.
$template_parts = get_block_templates( array(), 'wp_template_part' );
foreach ( $template_parts as $template_part ) {
$zip->addFromString(
'parts/' . $template_part->slug . '.html',
$template_part->content
);
}
// Load theme.json into the zip file.
$tree = WP_Theme_JSON_Resolver_Gutenberg::get_theme_data( array(), array( 'with_supports' => false ) );
// Merge with user data.
$tree->merge( WP_Theme_JSON_Resolver_Gutenberg::get_user_data() );
$theme_json_raw = $tree->get_data();
// If a version is defined, add a schema.
if ( $theme_json_raw['version'] ) {
$theme_json_version = 'wp/' . substr( $wp_version, 0, 3 );
$schema = array( '$schema' => 'https://schemas.wp.org/' . $theme_json_version . '/theme.json' );
$theme_json_raw = array_merge( $schema, $theme_json_raw );
}
// Convert to a string.
$theme_json_encoded = wp_json_encode( $theme_json_raw, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE );
// Replace 4 spaces with a tab.
$theme_json_tabbed = preg_replace( '~(?:^|\G)\h{4}~m', "\t", $theme_json_encoded );
// Add the theme.json file to the zip.
$zip->addFromString(
'theme.json',
$theme_json_tabbed
);
// Save changes to the zip file.
$zip->close();
return $filename;
}