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Back Compat: Add Patterns submenu for WordPress 6.4 #60804

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merged 1 commit into from
Apr 18, 2024
Merged

Back Compat: Add Patterns submenu for WordPress 6.4 #60804

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39 changes: 39 additions & 0 deletions lib/compat/wordpress-6.5/compat.php
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Original file line number Diff line number Diff line change
Expand Up @@ -51,3 +51,42 @@ function gutenberg_add_use_customizer_site_logo_url_flag() {
}

add_action( 'admin_init', 'gutenberg_add_use_customizer_site_logo_url_flag' );

/**
* Add a Patterns submenu (wp-admin/edit.php?post_type=wp_block) under the Appearance menu
* for the Classic theme. This function should not be backported to core, and should be
* removed when the required WP core version for Gutenberg is >= 6.5.0.
*
* @global array $submenu
*/
function gutenberg_add_patterns_page_submenu_item() {
if ( ! is_wp_version_compatible( '6.5' ) && ! wp_is_block_theme() ) {
// Move the Themes submenu forward and inject a Patterns submenu.
global $submenu;
$submenu['themes.php'][4] = $submenu['themes.php'][5];
$submenu['themes.php'][5] = array( __( 'Patterns', 'gutenberg' ), 'edit_theme_options', 'edit.php?post_type=wp_block' );
ksort( $submenu['themes.php'], SORT_NUMERIC );
}
}
add_action( 'admin_init', 'gutenberg_add_patterns_page_submenu_item' );

/**
* Filter the `wp_die_handler` to allow access to the Site Editor's Patterns page
* (wp-admin/site-editor.php?path=%2Fpatterns) internally for the Classic theme. This
* function should not be backported to core, and should be removed when the required
* WP core version for Gutenberg is >= 6.5.0.
*
* @param callable $default_handler The default handler.
* @return callable The default handler or a custom handler.
*/
function gutenberg_patterns_page_wp_die_handler( $default_handler ) {
if ( ! is_wp_version_compatible( '6.5' ) && ! wp_is_block_theme() && str_contains( $_SERVER['REQUEST_URI'], 'site-editor.php' ) ) {
$is_patterns = isset( $_GET['postType'] ) && 'wp_block' === sanitize_key( $_GET['postType'] );
$is_patterns_path = isset( $_GET['path'] ) && 'patterns' === sanitize_key( $_GET['path'] );
if ( $is_patterns || $is_patterns_path ) {
return '__return_false';
}
}
return $default_handler;
}
add_filter( 'wp_die_handler', 'gutenberg_patterns_page_wp_die_handler' );
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