Best practice for setting error reporting levels in PHP?

The best practice for setting the error reporting level in PHP is as follows: It is recommended to set error_reporting(E_ALL & ~E_NOTICE) in the production environment; in the development and debugging phases, you can use a more strict error_reporting(E_ALL | E_STRICT); use the display_errors configuration directive to control whether An error message is displayed in the browser and it is recommended to set it to off in a production environment.

Best Practices for Setting Error Reporting Levels in PHP

Error reporting is a valuable tool for PHP debugging, but if not set up correctly it can interfere with Normal operation of the production environment. This article guides you through how to set error reporting levels to strike a balance between error detection and application performance.

Error reporting levels

PHP provides several error reporting levels, from least strict to most strict:

##E_ALLReport all errors including E_STRICTE_ERRORReport fatal errors onlyE_WARNINGReport fatal errors and warningsE_NOTICEReport minor errors, warnings and comments##E_STRICTSettings Error reporting level

Level	Description
Report strict syntax errors

There are two common ways to set the error reporting level:

Using the

ini_set() function:

ini_set('error_reporting', E_ALL);

Use

error_reporting() Function:

error_reporting(E_ALL);

Practical case

For most production environments, it is recommended to set the following error reporting levels:

error_reporting(E_ALL & ~E_NOTICE);

This will report all errors and warnings, but ignore unimportant notifications to avoid unnecessary noise.

DEBUG MODE

During development and debugging phases, more restrictive error reporting levels can be used, such as

E_ALL | E_STRICT

. This will help you identify potential bugs and performance issues.

Use the

display_errors configuration command: In addition, you can also use the

display_errors

configuration command to control whether to display it in the browser wrong information. For security reasons, set this to off in a production environment to prevent leakage of sensitive information.

ini_set('display_errors', 'off');

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