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How to enable error reporting in Laravel? Method introduction

PHPz
Release: 2023-04-14 15:44:46
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Laravel is a popular PHP framework that provides many powerful features and tools that make developing web applications easier and more efficient. However, during the development process, sometimes you encounter some errors and problems. In order to discover and solve these problems in time, Laravel provides some error reporting mechanisms. This article will introduce how to enable Laravel error reporting.

  1. Turn on Debug mode

In Laravel, Debug mode is used to display detailed error information, which can help developers quickly locate and solve problems. By default, Debug mode is turned off and needs to be turned on manually. In Laravel's .env file, set the value of APP_DEBUG to true to enable Debug mode.

APP_DEBUG=true

  1. Set log level

In addition to turning on Debug mode, we can also set the log level for better understanding and debugging error message. In Laravel's config/logging.php file, you can define different log processors and levels. For example, we can set the default log level to debug and output the logs to a separate file.

'channels' => [

'stack' => [
    'driver' => 'stack',
    'channels' => ['daily'],
    'ignore_exceptions' => false,
],

'single' => [
    'driver' => 'single',
    'path' => storage_path('logs/laravel.log'),
    'level' => 'debug',
    'days' => 14,
],
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],

  1. Display SQL query log

When developing Laravel applications , we often need to check the generated SQL query statements for optimization. Laravel provides convenient functions that can record the time and statement of each SQL query, as well as the results of the query. In Laravel's .env file, set the value of DB_DEBUG to true to enable SQL query logging.

DB_DEBUG=true

  1. Use the dd() function

In certain circumstances, we may need to print some variable or object information in the code to debug the problem. In Laravel, this can be achieved using the dd() function. The dd() function will end the execution of the program while printing the variable information, and output the information to the browser or command line terminal. For example, the following code prints information about the variable $user and stops program execution.

$user = User::find(1);
dd($user);

Summary

When developing Laravel applications, we need to frequently Debugging and troubleshooting to ensure application stability and efficiency. By turning on Debug mode, setting log levels, displaying SQL query logs, and using functions such as the dd() function, we can locate and solve problems more easily and improve development efficiency and quality.

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