Merge pull request #14 from alleyinteractive/feature/500-status-code

Prevent caching and exit with 1 when a plugin is missing

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 All notable changes to `WP Plugin Loader` will be documented in this file.
 
+## 0.1.6 - 2024-12-17
+
+- When a plugin is not found, exit with a status code of 1 and send a `500`
+  status code header. This will prevent a fatal error from being cached
+
 ## 0.1.5 - 2024-09-25
 
 - Ensure that the default cache key is unique to each installation. Previously

src/class-wp-plugin-loader.php

@@ -222,8 +222,14 @@ protected function handle_missing_plugin( string $plugin ): void {
 			newrelic_notice_error( $error_message );
 		}
 
-		// Bye bye!
-		die( esc_html( $error_message ) );
+		// Send a 500 status code and no-cache headers to prevent caching of the error message.
+		if ( ! headers_sent() ) {
+			status_header( 500 );
+			nocache_headers();
+		}
+
+		echo esc_html( $error_message );
+		exit( 1 );
 	}
 
 	/**