Cleaner logic. (#45950)

lib/compat/wordpress-6.2/get-global-styles-and-settings.php

@@ -25,23 +25,23 @@ function wp_theme_has_theme_json() {
 		 * The reason not to store it as a boolean is to avoid working
 		 * with the $found parameter which apparently had some issues in some implementations
 		 * https://developer.wordpress.org/reference/functions/wp_cache_get/
+		 *
+		 * Ignore cache when `WP_DEBUG` is enabled, so it doesn't interfere with the theme developers workflow.
 		 */
-		if (
-			// Ignore cache when `WP_DEBUG` is enabled, so it doesn't interfere with the theme developers workflow.
-			( ! defined( 'WP_DEBUG' ) || ! WP_DEBUG ) &&
-			( 0 === $theme_has_support || 1 === $theme_has_support )
-		) {
+		if ( ! WP_DEBUG && is_int( $theme_has_support ) ) {
 			return (bool) $theme_has_support;
 		}
 
 		// Has the own theme a theme.json?
-		$theme_has_support = is_readable( get_stylesheet_directory() . '/theme.json' ) ? 1 : 0;
+		$theme_has_support = is_readable( get_stylesheet_directory() . '/theme.json' );
 
 		// Look up the parent if the child does not have a theme.json.
-		if ( 0 === $theme_has_support ) {
-			$theme_has_support = is_readable( get_template_directory() . '/theme.json' ) ? 1 : 0;
+		if ( ! $theme_has_support ) {
+			$theme_has_support = is_readable( get_template_directory() . '/theme.json' );
 		}
 
+		$theme_has_support = $theme_has_support ? 1 : 0;
+
 		wp_cache_set( $cache_key, $theme_has_support, $cache_group );
 
 		return (bool) $theme_has_support;