kernel/classes/ezdatatype.php
function preStoreVersionedClassAttribute( $classAttribute, $version )
    {
        switch ( $version )
        {
            case eZContentClass::VERSION_STATUS_DEFINED:
                $this->preStoreDefinedClassAttribute( $classAttribute );
                break;

            case eZContentClass::VERSION_STATUS_MODIFIED:
                $this->preStoreModifiedClassAttribute( $classAttribute );
                break;
        }
    }
function preStoreVersionedClassAttribute( $classAttribute, $version )
    {
        switch ( $version )
        {
            case eZContentClass::VERSION_STATUS_DEFINED:
                $this->preStoreDefinedClassAttribute( $classAttribute );
                break;

            case eZContentClass::VERSION_STATUS_MODIFIED:
                $this->preStoreModifiedClassAttribute( $classAttribute );
                break;
        }
    }
function preStoreVersionedClassAttribute ( $ classAttribute , $ version ) { switch ( $ version ) { case eZContentClass :: VERSION_STATUS_DEFINED : $ this -> preStoreDefinedClassAttribute ( $ classAttribute ) ; break ; case eZContentClass :: VERSION_STATUS_MODIFIED : $ this -> preStoreModifiedClassAttribute ( $ classAttribute ) ; break ; } }
Hook function which is called before an content class attribute is stored

@see eZContentClassAttribute::storeVersioned()
@param eZContentClassAttribute $classAttribute Content class attribute of the datatype
@param int $version Version of the attribute to be stored
Hook function which is called before an content class attribute is stored