Notes: What kinds of error prompts and error checking methods does PHP have?

What are the error messages in php

1.notice: Note

2.waring: Warning

3.error: What are the error checking methods in

PHP ?

1. Syntax check--in the php configuration file, turn on the error display options or add error_reporting(E_ALL) at the beginning of the code
2. Logic check--set breakpoints and write log error_logs( before the breakpoint $message);exit();
3. HTTP debugging--use packet capture tools or firebugs tools to track the entire process of code running

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