boolean itemprototype.iswritable(array itemPrototypeIds)
This method checks if the given item prototypes are available for writing.
This method is deprecated and will be removed in the future. Please use itemprototype.get instead.
(array) IDs of the item prototypes to check.
true if the given item prototypes are available for writing.
Check if the two item prototypes are writable.
CItemPrototype::isWritable() in frontends/php/include/classes/api/services/CItemPrototype.php.