search
HomeBackend DevelopmentPHP TutorialRecommended articles about php error_log() function

Mysql has 4 types of logs: Error Log, General Query Log, Binary Log and Slow Query Log** 1. Error Log records Error, Warning, Note and other information during the operation of Mysql, system errors or certain records If something goes wrong, you can check the Error log. Mysql's error log is stored in the Mysql log directory as hostname.err by default. It can be viewed through the following statement: mysql> show variables like "log_error"; +---------------+----------------+ | Variable_name | Value ; &nbs

1. #Introduction: Mysql has 4 types of logs: Error Log, General Query Log, Binary Log and Slow Query Log** 1. Error Log records Error, Warning, Note and other information during the operation of Mysql. If there is a system error or there is a problem with a certain record, you can check the Error log. Mysql's error log is stored in the Mysql log directory as hostname.err by default. You can view it through the following statement:...

2. Recommended articles about php error_log() functionError mechanism for PHP5.5.32 version Summary

Introduction: What we often confuse is the log problem, and why certain levels of logs are not available Record to log. The most important thing is to look at the three configurations of error_log, display_errors, and log_errors. But when looking at the configuration, we also need to pay attention to distinguishing what is the configuration in php.ini and what is the configuration in php-fpm.ini.

3. Recommended articles about php error_log() functionApache environment, localhost has been loading, but 127.0.0.1 can be accessed normally

Introduction: Apache environment localhost:82 Problem: When the browser enters localhost:82, there is no response (everything was normal yesterday), but 127.0.0.1:82 can be accessed. Situation: 1. The error log is as follows apache error.log httpd.conf The red pen is where I am The changed local hosts file is as follows:

4. php pthreads When using mutex, the CLI has stop

Introduction: When PTHREADS uses mutex to lock, the cli crashes (WIN7) Code: {code...} If you can tell me where the php system log is (similar to APACHE's error.log). To add: According to the official PTHREADS, it is thread-safe. In theory, thread-safety itself...

5. php apache uses cors to achieve cross-domain

#Introduction: apaceh configuration: ServerAdmin xxx@qq.com DocumentRoot "C: /htdocs/demo" ServerName dev.dd.cn ##ErrorLog "logs/dummy-host.localhost-error.log" ...

6. laravel customization Error page and error log processingRecommended articles about php error_log() function

Introduction:: This article mainly introduces laravel custom error page and error log processing. Students who are interested in PHP tutorials can refer to it. .

7. Why the PHP-FPM error log does not display under Nginx

Introduction: I configured it under Ubuntu LNMP environment, in which Nginx is configured with error logs and access logs, everything is normal. At the same time, PHP-FPM configures error_log in pool/www.conf. {Code...} At the same time, I print phpinfo(); as shown below: But my php-error.log has no error date...

8. Use nginx reverse proxy tomcat service

Introduction:: Use nginx reverse proxy tomcat service: Use nginx reverse proxy tomcat service This experiment requires nginx service and tomcat service {I will not talk about how to install them specifically} environment: 1. centos6.5 2. Turn off iptables and selinux 3. Start all services. Idea: Specify the corresponding service in the nginx configuration file. nginx.conf configuration content: #user nobody; worker_processes 2;#error_log logs/error.lo

9. nginx/146 The configured virtual host access prompt "File not found" c9 mainland not found file 404 not found 404 not found repair

Introduction: file not found: nginx/146 The configured virtual host access prompts "File not found": check the log tail /var/log/nginx/error .log, prompting "primary script unknown while reading response header from upstream" Check the configuration file part of the virtual host as follows: location ~ .php { #fastcgi_pass remote_php_ip:9000; fastcgi_pass uni

10. nginx ignore faviconico log favicon.ico 404 online favicon favicon 1 htm disease

Recommended articles about php error_log() function

Introduction: favicon,iconic: nginx ignores the faviconico log: Description: favicon.ico takes up a lot of information in the nginx error_log log, covering the logs we really need to view. So here, we turn it off via log_not_found off. Implementation: //Put the following configuration into the server {} block and turn off logging when favicon.ico does not exist location =/favicon.ico { log_not_found off; access_log off; } //log_no

【Related Q&A recommendations】:

php error_log prompt file does not exist

android - What should I do if the Android project suddenly fails to generate apk?

php pthreads CLI has stop when using mutex

python - apache server has C++ runtime error R6034. How to solve it?

php - Upload batch images to Qiniu and S3 at the same time. There is no problem with S3, but Qiniu often times out. Please solve it

The above is the detailed content of Recommended articles about php error_log() function. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
PHP Dependency Injection Container: A Quick StartPHP Dependency Injection Container: A Quick StartMay 13, 2025 am 12:11 AM

APHPDependencyInjectionContainerisatoolthatmanagesclassdependencies,enhancingcodemodularity,testability,andmaintainability.Itactsasacentralhubforcreatingandinjectingdependencies,thusreducingtightcouplingandeasingunittesting.

Dependency Injection vs. Service Locator in PHPDependency Injection vs. Service Locator in PHPMay 13, 2025 am 12:10 AM

Select DependencyInjection (DI) for large applications, ServiceLocator is suitable for small projects or prototypes. 1) DI improves the testability and modularity of the code through constructor injection. 2) ServiceLocator obtains services through center registration, which is convenient but may lead to an increase in code coupling.

PHP performance optimization strategies.PHP performance optimization strategies.May 13, 2025 am 12:06 AM

PHPapplicationscanbeoptimizedforspeedandefficiencyby:1)enablingopcacheinphp.ini,2)usingpreparedstatementswithPDOfordatabasequeries,3)replacingloopswitharray_filterandarray_mapfordataprocessing,4)configuringNginxasareverseproxy,5)implementingcachingwi

PHP Email Validation: Ensuring Emails Are Sent CorrectlyPHP Email Validation: Ensuring Emails Are Sent CorrectlyMay 13, 2025 am 12:06 AM

PHPemailvalidationinvolvesthreesteps:1)Formatvalidationusingregularexpressionstochecktheemailformat;2)DNSvalidationtoensurethedomainhasavalidMXrecord;3)SMTPvalidation,themostthoroughmethod,whichchecksifthemailboxexistsbyconnectingtotheSMTPserver.Impl

How to make PHP applications fasterHow to make PHP applications fasterMay 12, 2025 am 12:12 AM

TomakePHPapplicationsfaster,followthesesteps:1)UseOpcodeCachinglikeOPcachetostoreprecompiledscriptbytecode.2)MinimizeDatabaseQueriesbyusingquerycachingandefficientindexing.3)LeveragePHP7 Featuresforbettercodeefficiency.4)ImplementCachingStrategiessuc

PHP Performance Optimization Checklist: Improve Speed NowPHP Performance Optimization Checklist: Improve Speed NowMay 12, 2025 am 12:07 AM

ToimprovePHPapplicationspeed,followthesesteps:1)EnableopcodecachingwithAPCutoreducescriptexecutiontime.2)ImplementdatabasequerycachingusingPDOtominimizedatabasehits.3)UseHTTP/2tomultiplexrequestsandreduceconnectionoverhead.4)Limitsessionusagebyclosin

PHP Dependency Injection: Improve Code TestabilityPHP Dependency Injection: Improve Code TestabilityMay 12, 2025 am 12:03 AM

Dependency injection (DI) significantly improves the testability of PHP code by explicitly transitive dependencies. 1) DI decoupling classes and specific implementations make testing and maintenance more flexible. 2) Among the three types, the constructor injects explicit expression dependencies to keep the state consistent. 3) Use DI containers to manage complex dependencies to improve code quality and development efficiency.

PHP Performance Optimization: Database Query OptimizationPHP Performance Optimization: Database Query OptimizationMay 12, 2025 am 12:02 AM

DatabasequeryoptimizationinPHPinvolvesseveralstrategiestoenhanceperformance.1)Selectonlynecessarycolumnstoreducedatatransfer.2)Useindexingtospeedupdataretrieval.3)Implementquerycachingtostoreresultsoffrequentqueries.4)Utilizepreparedstatementsforeffi

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

SublimeText3 Linux new version

SublimeText3 Linux new version

SublimeText3 Linux latest version

Safe Exam Browser

Safe Exam Browser

Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

VSCode Windows 64-bit Download

VSCode Windows 64-bit Download

A free and powerful IDE editor launched by Microsoft

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool

MantisBT

MantisBT

Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.