https://www.php.net/manual/de/splobjectstorage.removeall.php
PHP: SplObjectStorage::removeAll - Manual
Removes objects contained in another storage from the current storage
phpremoveallmanual
https://resources.arcgis.com/en/help/arcobjects-net/componentHelp/0025/002500000msv000000.htm
IXMLIndexTags.RemoveAll Method (ArcObjects .NET 10.1 SDK)
removeallmethodsdk
https://resources.arcgis.com/en/help/arcobjects-net/componentHelp/0038/0038000000s0000000.htm
ISpotPlateCollection.RemoveAll Method (ArcObjects .NET 10.1 SDK)
removeallmethodsdk
https://learn.microsoft.com/ru-ru/dotnet/api/system.xml.xmlattributecollection.removeall?view=netframework-4.8.1&viewFallbackFrom=net-10.0
XmlAttributeCollection.RemoveAll Method (System.Xml) | Microsoft Learn
Removes all attributes from the collection.
removeallmethodsystemxmlmicrosoft