--TEST-- FFI 047: FFI::CData->cdata meaning --EXTENSIONS-- ffi --INI-- ffi.enable=1 --FILE-- cdata = 42; var_dump($x); $x = FFI::new("int*"); try { $x->cdata = 42; var_dump($x); } catch (Throwable $e) { echo $e->getMessage() . "\n"; } $x = FFI::new("struct {int cdata;}"); try { $x->cdata = 42; var_dump($x); } catch (Throwable $e) { echo $e->getMessage() . "\n"; } ?> --EXPECTF-- object(FFI\CData:int32_t)#%d (1) { ["cdata"]=> int(42) } Attempt to assign field 'cdata' of non C struct/union object(FFI\CData:struct )#%d (1) { ["cdata"]=> int(42) }