Note: PHP has those kinds of error hints and troubleshooting methods, PHP Error tips _php Tutorial

Note: PHP has several error hints and troubleshooting methods, PHP Error hints

What kinds of error tips are there in PHP?

1.notice: note

2.waring: Warning

3.error: Error

What kinds of error-checking methods are available in PHP?

1, grammar check--php configuration file, the error display options are open or Code start section, add error_reporting (E_all)
2, logic check-set breakpoints, write the log error_logs ($message) before the breakpoint; exit ();
3, HTTP debugging--Use the grab Bag tool or firebugs tool to track the whole process of code running

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