Detailed differences between include and require in PHP

We all know that we can use include and require to include files in PHP. but what is the difference between the two? some friends still don't know much about it. So let's take a closer look at the differences between the two. we all know that include and require can be used in PHP to include files, but what is the difference between the two, some friends still don't know much about it. Let's take a closer look at the differences between the two.
1. different writing locations
Include: can be written anywhere in the file; require: can only be written in the file header.
2. an error occurred while calling the file.
Include: execution will continue when an error occurs to the called file; require: execution will not continue when an error occurs to the called file.
3. different functions
Include: Call file and file functions; require: call system function components.