It's most inaccurate.

The rest of my body was never purple, and as for my--tail--well, I simply ask you, IS it white ?' It turned round and gravely presented its golden tail to the children.
'No, it's not,' said everybody.
'No, and it never was,' said the Phoenix.

'And that about the worm is just a vulgar insult.

The Phoenix has an egg, like all respectable birds.

It makes a pile--that part's all right--and it lays its egg, and it burns itself; and it goes to sleep and wakes up in its egg, and comes out and goes on living again, and so on for ever and ever.