SonataAdminBundle - 检查 `preUpdate` 钩子中的更改 [英] SonataAdminBundle - check changes in `preUpdate` hook

问题描述

是否可以检查 preUpdate 钩子?我正在寻找类似 preUpdate hasChangedField($fieldName) Doctrine 功能.有什么想法吗?

Is it possible to check if field was changed on preUpdate hook? I'm looking for something like preUpdate hasChangedField($fieldName) Doctrine functionality. Any ideas?

推荐答案

这个问题有点类似于这个

您的解决方案只是将旧对象的字段与新对象的字段进行比较，看看它的不同之处.

Your solution is just to compare the field of the old object with the new one and see where it differs.

例如:

public function preUpdate($newObject)
{
    $em = $this->getModelManager()->getEntityManager($this->getClass());
    $originalObject = $em->getUnitOfWork()->getOriginalEntityData($newObject);

    if ($newObject->getSomeField() !== $originalObject['fieldName']) {
        // Field has been changed
    }
}

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