N°7118 - Act on guaranteed object deletion, with the object still accessible (EVENT_DB_ABOUT_TO_DELETE)

core/dbobject.class.php

@@ -4106,6 +4106,8 @@ abstract class DBObject implements iDisplay
 			return;
 		}
 
+		$this->SetReadOnly("No modification allowed before delete");
+		$this->FireEventAboutToDelete();
 		$oKPI = new ExecutionKPI();
 		$this->OnDelete();
 		$oKPI->ComputeStatsForExtension($this, 'OnDelete');
@@ -6625,6 +6627,14 @@ abstract class DBObject implements iDisplay
 	{
 	}
 
+	/**
+	 * @return void
+	 * @since 3.1.2
+	 */
+	protected function FireEventAboutToDelete(): void
+	{
+	}
+
 	/**
 	 * @return void
 	 * @since 3.1.0