Shulou(Shulou.com)06/03 Report--

This article will explain in detail the example analysis of error tips in PHP. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Problem: test the website

Notice: Use of undefined constant w-assumed 'ab' in D:\ wamp\ www\ 22.php on line 31

Code:

F = fopen ('users.txt',' ab'); / / Open the users.txt file by appending

Analysis: 1 ab ab appends to open the file, check that there is no quotation mark caused by the php error, ignore the error will execute the code. There is no error after putting in quotation marks.

2, it can be found on the Internet that "@" can be used when any error messages that may be generated by the expression are ignored before it is placed in a PHP expression. Http://cn2.php.net/manual/zh/language.operators.errorcontrol.php

3. Turn off PHP error report

The prompted method to search php.ini:error_reporting = E_ALL is changed to: error_reporting = E_ALL & ~ E_NOTICE

This is the end of this article on "sample analysis of error tips in PHP". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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