Doctrine\OXM\Event\PreUpdateEventArgs::getOldValue PHP Method

Get the old value of the changeset of the changed field.

public getOldValue ( string $field ) : mixed
$field	string
return	mixed

    public function getOldValue($field)
    {
        $this->assertValidField($field);
        return $this->entityChangeSet[$field][0];
    }

PreUpdateEventArgs