Bitrix Site Manager

OnBeforeIBlockPropertyUpdate

bool
event_handler(
 array &arParams
);
Fired from CIBlockProperty::Update before the information block property become modified. Can be used to cancel modification or to redefine fields.

Parameters

ParameterDescription
arParams An array of the information block property fields.

Note
The parameter(s) of this handler are references to the original variables. Hence, altering their values from within the handler causes changing values of the source variables passed to the handler.

Return Values

To cancel the update and terminate CIBlockProperty::Update throw an exception by calling $APPLICATION->ThrowException() within the handler and return false.

See Also

  • OnAfterIBlockPropertyUpdate event
  • CIBlockProperty::Update
  • Handling events

    Example

    
    <?
    // file /bitrix/php_interface/init.php
    // register handler
    AddEventHandler("iblock", "OnBeforeIBlockPropertyUpdate", Array("MyClass", "OnBeforeIBlockPropertyUpdateHandler"));
    
    class MyClass
    {
        // create handler "OnBeforeIBlockPropertyUpdate"
        function OnBeforeIBlockPropertyUpdateHandler(&$arFields)
        {
            if(strlen($arFields["CODE"])<=0)
            {
                global $APPLICATION;
                $APPLICATION->throwException("Enter the mnemonic code. (ID:".$arFields["ID"].")");
                return false;
            }
        }
    }
    ?>