Deletes the value with the specified identifier and returns true (1) on
success. Returns false (0) if this function is called incorrectly,
deletion fails or an exception is thrown. For read-only and don't-delete
values this function will return true (1) even though deletion failed.
Deletes the value with the specified identifier and returns true (1) on success. Returns false (0) if this function is called incorrectly, deletion fails or an exception is thrown. For read-only and don't-delete values this function will return true (1) even though deletion failed.