Cover against non existing styles (#33127)

WordPress · Jul 1, 2021 · f9eb406 · f9eb406
1 parent b543d8a
commit f9eb406
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/lib/global-styles.php b/lib/global-styles.php
@@ -134,6 +134,12 @@ function_exists( 'gutenberg_is_edit_site_page' ) &&
 			'__experimentalNoWrapper' => true,
 		);
 
+		// Make sure the styles array exists.
+		// In some contexts, like the navigation editor, it doesn't.
+		if ( ! isset( $settings['styles'] ) ) {
+			$settings['styles'] = array();
+		}
+
 		// Reset existing global styles.
 		foreach ( $settings['styles'] as $key => $style ) {
 			if ( isset( $style['__unstableType'] ) && 'globalStyles' === $style['__unstableType'] ) {