search
HomeBackend DevelopmentPHP TutorialCompilation of detailed information on $_SERVER in PHP_PHP tutorial

Compilation of detailed information on $_SERVER in PHP_PHP tutorial

Jul 21, 2016 pm 02:55 PM
phpservergenerationusebeginnerexistactualtidyofprogrammerlanguagestillconduct

Whether they are beginners or PHP programmers, when they use PHP language for actual code operations, they more or less need some auxiliary materials to help them complete the coding. Below, we will introduce you to the specific information about $_SERVER in PHP in detail. We hope it will be helpful to you.

 $_SERVER[‘PHP_SELF‘] #The file name of the currently executing script, related to the document root.

 In PHP $_SERVER$_SERVER[‘argv‘] #The parameters passed to the script.

 $_SERVER[‘argc‘] #Contains the number of command line parameters passed to the program (if running in command line mode).

 $_SERVER[‘GATEWAY_INTERFACE‘] #The version of the CGI specification used. For example, "CGI/1.1".

 $_SERVER[‘SERVER_NAME‘] #The name of the server host where the script is currently running.

 $_SERVER[‘SERVER_SOFTWARE‘] #The string of server identification, given in the header when responding to the request.

 In PHP $_SERVER$_SERVER[‘SERVER_PROTOCOL‘] #The name and version of the communication protocol when requesting the page. For example, "HTTP/1.0".

 $_SERVER[‘REQUEST_METHOD‘] #Request for the page. For example: "GET", "HEAD", "POST", "PUT".

 $_SERVER[‘QUERY_STRING‘] #Query string.

 $_SERVER[‘DOCUMENT_ROOT‘] #The document root directory where the currently running script is located. Defined in the server configuration file.

 $_SERVER[‘HTTP_ACCEPT‘] #Contents of the Accept: header of the current request.

 In PHP $_SERVER$_SERVER[‘HTTP_ACCEPT_CHARSET‘] #The content of the Accept-Charset: header of the current request. For example: "iso-8859-1,*,utf-8".

 $_SERVER[‘HTTP_ACCEPT_ENCODING‘] #Contents of the Accept-Encoding: header of the current request. For example: "gzip".

 $_SERVER[‘HTTP_ACCEPT_LANGUAGE‘]#Contents of the Accept-Language: header of the current request. For example: "en".

 $_SERVER[‘HTTP_CONNECTION‘] #Contents of the Connection: header of the current request. For example: "Keep-Alive".

 In PHP $_SERVER$_SERVER[‘HTTP_HOST‘] #The content of the Host: header of the current request.

 $_SERVER[‘HTTP_REFERER‘] #The URL address of the previous page linked to the current page.

 $_SERVER[‘HTTP_USER_AGENT‘] #The content of the User_Agent: header of the current request.

In PHP, $_SERVER$_SERVER[‘HTTPS‘] — if it passes https, it is set to a non-empty value, otherwise it returns off

 $_SERVER[‘REMOTE_ADDR‘] #The IP address of the user who is browsing the current page.

 $_SERVER[‘REMOTE_HOST‘] #The host name of the user who is browsing the current page.

 $_SERVER[‘REMOTE_PORT‘] #The port used by users to connect to the server.

 $_SERVER[‘SCRIPT_FILENAME‘] #The absolute path name of the currently executing script.

 $_SERVER$_SERVER[‘SERVER_ADMIN‘] #Administrator information in PHP

 $_SERVER[‘SERVER_PORT‘] #The port used by the server

 $_SERVER[‘SERVER_SIGNATURE‘] #A string containing the server version and virtual host name.

 In PHP $_SERVER$_SERVER[‘PATH_TRANSLATED‘] #The basic path of the file system (not the document root directory) where the current script is located.

 $_SERVER[‘SCRIPT_NAME‘] #Contains the path of the current script. This is useful when the page needs to point to itself.

 $_SERVER[‘REQUEST_URI‘] #The URI required for this page. For example, "/index.html".

 $_SERVER[‘PHP_AUTH_USER‘] #When PHP is running in module mode and using the HTTP function, this variable is the username entered by the user.

 $_SERVER[‘PHP_AUTH_PW‘] #When PHP is running in Apache module mode and is using the HTTP function, this variable is the password entered by the user.

 $_SERVER$_SERVER[‘AUTH_TYPE‘] in PHP #When PHP is running in Apache module mode and is using the HTTP authentication function, this variable is the authentication type

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/364418.htmlTechArticleWhether they are beginners or PHP programmers, they have more or less problems when using PHP language for actual code operations. Sometimes you need some auxiliary materials to help you complete the coding. Below, we will...
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
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

Simple Guide: Sending Email with PHP ScriptSimple Guide: Sending Email with PHP ScriptMay 12, 2025 am 12:02 AM

PHPisusedforsendingemailsduetoitsbuilt-inmail()functionandsupportivelibrarieslikePHPMailerandSwiftMailer.1)Usethemail()functionforbasicemails,butithaslimitations.2)EmployPHPMailerforadvancedfeatureslikeHTMLemailsandattachments.3)Improvedeliverability

PHP Performance: Identifying and Fixing BottlenecksPHP Performance: Identifying and Fixing BottlenecksMay 11, 2025 am 12:13 AM

PHP performance bottlenecks can be solved through the following steps: 1) Use Xdebug or Blackfire for performance analysis to find out the problem; 2) Optimize database queries and use caches, such as APCu; 3) Use efficient functions such as array_filter to optimize array operations; 4) Configure OPcache for bytecode cache; 5) Optimize the front-end, such as reducing HTTP requests and optimizing pictures; 6) Continuously monitor and optimize performance. Through these methods, the performance of PHP applications can be significantly improved.

Dependency Injection for PHP: a quick summaryDependency Injection for PHP: a quick summaryMay 11, 2025 am 12:09 AM

DependencyInjection(DI)inPHPisadesignpatternthatmanagesandreducesclassdependencies,enhancingcodemodularity,testability,andmaintainability.Itallowspassingdependencieslikedatabaseconnectionstoclassesasparameters,facilitatingeasiertestingandscalability.

Increase PHP Performance: Caching Strategies & TechniquesIncrease PHP Performance: Caching Strategies & TechniquesMay 11, 2025 am 12:08 AM

CachingimprovesPHPperformancebystoringresultsofcomputationsorqueriesforquickretrieval,reducingserverloadandenhancingresponsetimes.Effectivestrategiesinclude:1)Opcodecaching,whichstorescompiledPHPscriptsinmemorytoskipcompilation;2)DatacachingusingMemc

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

EditPlus Chinese cracked version

EditPlus Chinese cracked version

Small size, syntax highlighting, does not support code prompt function

SublimeText3 English version

SublimeText3 English version

Recommended: Win version, supports code prompts!

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool

Dreamweaver Mac version

Dreamweaver Mac version

Visual web development tools

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.