Merge pull request #531 from humanmade/backport-528-to-v19-branch

[Backport v19-branch] Fix memory leak on indexing ES on local / dev / staging

inc/namespace.php

@@ -18,6 +18,7 @@
 use ElasticPress\Utils;
 use GuzzleHttp\Psr7\Request;
 use Psr\Http\Message\RequestInterface;
+use ReflectionProperty;
 use WP_CLI;
 use WP_Error;
 use WP_Post;
@@ -211,6 +212,9 @@ function load_elasticpress() {
 
 	// Set up packages feature.
 	Packages\bootstrap();
+
+	// Hook the reset_elasticsearch_queries function to the ep_stop_the_insanity action.
+	add_action( 'ep_stop_the_insanity', __NAMESPACE__ . '\\reset_elasticsearch_queries' );
 }
 
 /**
@@ -2194,3 +2198,17 @@ function sanitize_query_args( WP_Query $query ) : void {
 		$query->set( $key, array_values( array_filter( (array) $query->get( $key ) ) ) );
 	}
 }
+
+/**
+ * Reset Elasticsearch queries.
+ *
+ * This function resets the Elasticsearch queries by using reflection to access
+ * and modify the private 'queries' property of the \ElasticPress\Elasticsearch class.
+ *
+ * @return void
+ */
+function reset_elasticsearch_queries() {
+	$reflection = new ReflectionProperty( Elasticsearch::class, 'queries' );
+	$reflection->setAccessible( true );
+	$reflection->setValue( Elasticsearch::factory(), [] );
+}