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# virtual

(PHP 3, PHP 4, PHP 5)

virtual -- Perform an Apache sub-request

## Beskrivelse

bool virtual ( string filename )

virtual() is an Apache-specific function which is equivalent to <!--#include virtual...--> in mod_include. It performs an Apache sub-request. It is useful for including CGI scripts or .shtml files, or anything else that you would parse through Apache. Note that for a CGI script, the script must generate valid CGI headers. At the minimum that means it must generate a Content-type header.

To run the sub-request, all buffers are terminated and flushed to the browser, pending headers are sent too.

This function is only supported when PHP is installed as an Apache module.

## Parameterliste

filename

  The file that the virtual command will be performed on.

## Returneringsværdier

Performs the virtual command on success, or returns `FALSE` on failure.

## ChangeLog

Version | Beskrivelse
--- | ---
4.0.6 | This function may be used on PHP files. However, it is typically better to use include() or require() for PHP files.

## Notes

Advarsel
The query string can be passed to the included file but $_GET is copied from the parent script and only $_SERVER['QUERY_STRING'] is filled with the passed query string. The query string may only be passed when using Apache 2. The requested file will not be listed in the Apache access log.

> Bemærk: Fra PHP 4.3.3 kan du også bruge denne funktion med NSAPI server modulet i Netscape/iPlanet/SunONE webservere.

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