Server application programming interface: Difference between revisions

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{{Short description|API used to interface with web servers}}

{{Other uses|SAPI (disambiguation){{!}}SAPI}}

In [[computing]], '''server application programming interface''' ('''SAPI''') is the direct module interface to [[web server]]s such as the [[Apache HTTP Server]], [[Microsoft Internet Information Server|Microsoft IIS]], and [[Oracle iPlanet Web Server]].

}}</ref> In other words, SAPI is actually an [[application programming interface]] (API) provided by the web server to help other developers in extending the web server capabilities.

In [[computingMicrosoft]], '''Server Application Programming Interface''' ('''SAPI''') isuses the direct module interface toterm [[web server]]s such as the [[Apache HTTP Server]], [[Microsoft Internet Information Server|Microsoft IIS]],Application andProgramming [[Oracle iPlanet Web ServerInterface]]. [[Microsoft]] also uses the term [[(ISAPI]]), and the defunct [[Netscape]] web server used the term [[Netscape Server Application Programming Interface|NSAPI]] (NSAPI) for the same purpose.<ref>{{cite web

| url = http://searchsoa.techtarget.com/definition/Netscape-Server-Application-Programming-Interface

| title = Netscape Server Application Programming Interface (NSAPI)

| date = September 2005
| accessdate = 2013-09-22

| website = techtarget.com

| archive-date = 2016-11-16

}}</ref> In other words, SAPI is actually an [[application programming interface]] (API) provided by the web server to help other developers in extending the web server capabilities.

| archive-url = https://web.archive.org/web/20161116123047/http://searchsoa.techtarget.com/definition/Netscape-Server-Application-Programming-Interface

| url-status = dead

}}</ref>

As an example, [[PHP]] has a direct module interface called SAPI for different web servers.;<ref name="php-installation">{{cite web

| url = http://php.net/manual/en/install.general.php

| title = General Installation Considerations

| accessdate = 2013-09-22

| website = PHPphp.net

}}</ref> in Forthe PHPcase of PHP&nbsp;5 and Apache &nbsp;2.0 on Windows, it is provided in the form of a [[Dynamic-link library|DLL]] file called <code>{{Mono|php5apache2.dll</code>}},<ref>{{cite web

| url = http://php.net/manual/en/install.windows.apache2.php

| title = PHP: Apache 2.x on Microsoft Windows

| accessdate = 2013-09-22

| website = PHPphp.net

|url-status = dead

}}</ref> which is a module that{{mdashb}}among other functions{{mdashb}}provides an interface between PHP and the web server, implemented in a form that the server understands. This form is what is known as a SAPI.

|archiveurl = https://web.archive.org/web/20130926122011/http://php.net/manual/en/install.windows.apache2.php

|archivedate = 2013-09-26

}}</ref> which is a module that{{mdashb}}, among other functions{{mdashb}}, provides an interface between PHP and the web server, implemented in a form that the server understands. This form is what is known as a SAPI.

There are differentDifferent kinds of SAPIs exist for various web -server extensions. For example, anotherin twoaddition to those listed above, other SAPIs for the PHP language areinclude PHPthe [[Common Gateway Interface]] (CGI) and PHP [[Commandcommand-line interface]] (CLI).<ref name="php-installation" /><ref>{{cite web

| url = http://www.php.net/manual/en/features.commandline.introduction.php

| title = Command line usage: Introduction

| accessdate = 2013-09-22

| website = PHPphp.net

| archive-date = 2021-03-21

}}</ref>

| archive-url = https://web.archive.org/web/20210321035330/https://www.php.net/manual/en/features.commandline.introduction.php

| url-status = dead

}}</ref>

== See also ==

* [[Application programming interface]] (API)

* [[Internet Server Application Programming Interface]] (ISAPI)

* [[Common Gateway Interface]] (CGI)

* [[FastCGI]] (a variation of the CGI)