Php counterfeit ip address

Php spoofs ip addresses. many fake ip addresses are used to brush votes on the internet. However, the current website only uses $ _ SERVER ["REMOTE_ADDR"] for obtaining ip addresses. how should we forge this? Remote _ php forged ip address
There are a lot of fake IPs on the Internet, but the current website only uses $ _ SERVER ["REMOTE_ADDR"] for obtaining ip addresses. how should we forge it?
Remote_addr PHP shared:
------ Solution --------------------
Php curl and proxy can be added.
First, you can find a bunch of proxy ip addresses, and you can easily find hundreds of proxy ip addresses.
If you can only vote once every hour, you can vote one hundred times every hour. Currently, you can only do this.

But I was careful when I was banned. I had a vote for my students before, and then the exhibit was closed...