PHP source code encryption problem

Question

I just finished writing a website. The concept of source code encryption has always been vague, and there is very little online information. I would like to know the following questions:

1: There are encryption tools on the Internet. This is easy to understand, but some of them are just functions. How to encrypt them? Does calling the function source code directly turn it into ciphertext? It feels impossible. .

2: How does the server parse it after encryption? How can the server understand it?

3: Is there no way to modify it after encryption, or does decryption require a key? How should I use this key?

Um, I feel very confused~

Answer 1

Generally used encryption is single hash encryption, asymmetric encryption, symmetric encryption,,, read more

Answer 2

There are two types of encryption in PHP. 1. Officially provided by Zend. 2. Base64 code obfuscation encryption. These two networks can basically be cracked. PHP is open source and there is no way.