(PHP 7 >= 7.4.0, PHP 8)
FFI\CType::TYPE_VOIDFFI\CType::TYPE_FLOATFFI\CType::TYPE_DOUBLEFFI\CType::TYPE_LONGDOUBLEFFI\CType::TYPE_UINT8FFI\CType::TYPE_SINT8FFI\CType::TYPE_UINT16FFI\CType::TYPE_SINT16FFI\CType::TYPE_UINT32FFI\CType::TYPE_SINT32FFI\CType::TYPE_UINT64FFI\CType::TYPE_SINT64FFI\CType::TYPE_ENUMFFI\CType::TYPE_BOOLFFI\CType::TYPE_CHARFFI\CType::TYPE_POINTERFFI\CType::TYPE_FUNCFFI\CType::TYPE_ARRAYFFI\CType::TYPE_STRUCTFFI\CType::ATTR_CONSTFFI\CType::ATTR_INCOMPLETE_TAGFFI\CType::ATTR_VARIADICFFI\CType::ATTR_INCOMPLETE_ARRAYFFI\CType::ATTR_VLAFFI\CType::ATTR_UNIONFFI\CType::ATTR_PACKEDFFI\CType::ATTR_MS_STRUCTFFI\CType::ATTR_GCC_STRUCTFFI\CType::ABI_DEFAULTFFI\CType::ABI_CDECLFFI\CType::ABI_FASTCALLFFI\CType::ABI_THISCALLFFI\CType::ABI_STDCALLFFI\CType::ABI_PASCALFFI\CType::ABI_REGISTERFFI\CType::ABI_MSFFI\CType::ABI_SYSVFFI\CType::ABI_VECTORCALL