https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Field%21Plugin%21Field%21FieldType%21ChangedItem.php/function/ChangedItem%3A%3ApreSave/8.9.x
function ChangedItem::preSave | Drupal API
functionpresavedrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Field%21Plugin%21Field%21FieldType%21ChangedItem.php/function/ChangedItem%3A%3ApreSave/11.x
function ChangedItem::preSave | Drupal API
functionpresavedrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Field%21Plugin%21Field%21FieldType%21ChangedItem.php/11.x
ChangedItem.php | Drupal API
phpdrupalapi