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<?php |
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/** |
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* Compatibility fixes for WP 5.9 and Site Editor. |
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* |
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* It can be removed after the minimum required WP version is 6.0 |
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* |
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* @package WordPress |
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*/ |
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|
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/** |
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* Return the correct template for the site's home page. |
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* |
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* @access private |
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* @since 6.0.0 |
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* |
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* @return array|null A template object, or null if none could be found |
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*/ |
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function gutenberg_resolve_home_template() { |
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$show_on_front = get_option( 'show_on_front' ); |
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$front_page_id = get_option( 'page_on_front' ); |
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|
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if ( 'page' === $show_on_front && $front_page_id ) { |
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return array( |
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'postType' => 'page', |
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'postId' => $front_page_id, |
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); |
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} |
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|
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$hierarchy = array( 'front-page', 'home', 'index' ); |
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$template = resolve_block_template( 'home', $hierarchy, '' ); |
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|
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if ( ! $template ) { |
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return null; |
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} |
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|
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return array( |
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'postType' => 'wp_template', |
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'postId' => $template->id, |
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); |
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} |
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|
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/** |
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* Do a server-side redirection if missing `postType` and `postId` |
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* query args when visiting site editor. |
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* |
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* Note: This is a backward compatibility redirect for WP 5.9. |
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* |
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* @return void |
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*/ |
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function gutenberg_site_editor_maybe_redirect() { |
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// Skip redirection for WP 6.0 and later. |
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if ( function_exists( '_resolve_home_block_template' ) ) { |
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return; |
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} |
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|
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// Check theme support. The action runs before checks in the Site Editor. |
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if ( ! wp_is_block_theme() ) { |
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return; |
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} |
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|
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if ( empty( $_GET['postType'] ) && empty( $_GET['postId'] ) ) { |
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$template = gutenberg_resolve_home_template(); |
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if ( ! empty( $_GET['styles'] ) ) { |
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$template['styles'] = sanitize_key( $_GET['styles'] ); |
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} |
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|
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$redirect_url = add_query_arg( |
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$template, |
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admin_url( 'site-editor.php' ) |
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); |
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wp_safe_redirect( $redirect_url ); |
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exit; |
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} |
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} |
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add_action( 'load-site-editor.php', 'gutenberg_site_editor_maybe_redirect' ); |
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|
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/** |
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* Add home template settings for WP 5.9. |
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* |
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* @param array $settings Existing block editor settings. |
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* @param WP_Block_Editor_Context $context The current block editor context. |
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* @return array |
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*/ |
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function gutenberg_site_editor_homepage_setting( $settings, $context ) { |
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if ( isset( $context->post ) ) { |
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return $settings; |
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} |
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|
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if ( ! isset( $settings['__unstableHomeTemplate'] ) ) { |
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$settings['__unstableHomeTemplate'] = gutenberg_resolve_home_template(); |
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} |
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|
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return $settings; |
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} |
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add_filter( 'block_editor_settings_all', 'gutenberg_site_editor_homepage_setting', 10, 2 ); |
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|
