I want to replace Amazon S3 to WASABI bucket system and BACKBLAZE Bucket system

I want to substitute Amazon S3 to WASABI bucket system and BACKBLAZE Bucket system That means ==> Keep amazon s3 and also add wasabi and backblaze as backup This is in CORE PHP Very Urgent work : This is NOT a big task for someone that has already done it Only if you can do it in next 12 hours and start immediately this is immediate work