SAP ABAP Table IWREADPHIO (IWB: PHIOs Read per User) is used by

• Class (1)
• Function Module (5)
• Program (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	IO_C_READ_COUNTER_GET	IO_C_READ_COUNTER_GET	SIWB	BASIS	SAP_BASIS
2	Function Module	SIW_INFO_OBJECTS_GET_READ_FLAG	SIW_INFO_OBJECTS_GET_READ_FLAG	SIWB	BASIS	SAP_BASIS
3	Function Module	SIW_INFO_OBJECTS_GET_READ_FLAG READED_PHIOS STRUCTURE IWREADPHIO	SIW_INFO_OBJECTS_GET_READ_FLAG	SIWB	BASIS	SAP_BASIS
4	Function Module	SIW_INFO_OBJECTS_SET_READ_FLAG	SIW_INFO_OBJECTS_SET_READ_FLAG	SIWB	BASIS	SAP_BASIS
5	Function Module	SIW_IOS_GET_READ_STATE	SIW_IOS_GET_READ_STATE	SIWB	BASIS	SAP_BASIS