Google for WooCommerce patch to avoid `psr/log` and `monolog/monolog` conflicts with Acorn

google-listings-and-ads-detach-bundled-monolog-and-psr-log.patch

--- a/src/Autoloader.php
+++ b/src/Autoloader.php
@@ -39,6 +39,8 @@
 			return false;
 		}
 
+		self::detach_host_namespaces( $autoloader_result );
+
 		return $autoloader_result;
 	}
 
@@ -71,4 +73,44 @@
 			}
 		);
 	}
+
+	/**
+	 * Strip namespaces this plugin bundles a conflicting copy of (Monolog v2,
+	 * Psr\Log v1) from the bundled ClassLoader so the host application's
+	 * versions win autoload. Without this, Composer's class map plus the
+	 * prepended autoload registration load the bundled copies, which collide
+	 * with the host's newer versions on signature checks (LogRecord, Level
+	 * enum, isHandling(int), Stringable type hints, etc.).
+	 *
+	 * @param mixed $autoloader The result of requiring this plugin's vendor/autoload.php.
+	 */
+	protected static function detach_host_namespaces( $autoloader ): void {
+		if ( ! $autoloader instanceof \Composer\Autoload\ClassLoader ) {
+			return;
+		}
+
+		$detach = array( 'Monolog\\', 'Psr\\Log\\' );
+
+		foreach ( $detach as $prefix ) {
+			$autoloader->setPsr4( $prefix, array() );
+		}
+
+		$reflection = new \ReflectionObject( $autoloader );
+		if ( ! $reflection->hasProperty( 'classMap' ) ) {
+			return;
+		}
+
+		$property = $reflection->getProperty( 'classMap' );
+		$property->setAccessible( true );
+		$class_map = $property->getValue( $autoloader );
+		foreach ( array_keys( $class_map ) as $class ) {
+			foreach ( $detach as $prefix ) {
+				if ( strpos( (string) $class, $prefix ) === 0 ) {
+					unset( $class_map[ $class ] );
+					break;
+				}
+			}
+		}
+		$property->setValue( $autoloader, $class_map );
+	}
 }