PHP error operation

Introduction: This is a detailed page for PHP error operations. It introduces related knowledge, skills, experience, and some PHP source code.

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There are four types of errors and warnings in PHP. They are:

Common Function error: 1

General warning: 2

Analysis Error: 4

Note (warn the user to ignore this information, but this problem mayCodeWill bring some errors): 8

The four digits after the information are the representative values of the information type. They are used together as the error report level. The province's report level is 7 (1 + 2 + 4), or other combinations except "Comments. This level can be changed by changing the methods indicated by the error report in the php3.ini file. It can also be set by changing the php3 Error Report method in the user's httpd. conf file, or by using the script language function Error Reporting () during running.

All PHP expressions can be called with the prefix "@". For this special expression, the error report will be disabled. If an error occurs when such an expression is run and the "Track Error" feature is set to available, you can find the error information in the global variable $ php_errormsg.

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