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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.

PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.

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virtual

(PHP 3, PHP 4, PHP 5)

virtual -- Perform an Apache sub-request

Description

bool virtual ( string filename )

virtual() is an Apache-specific function which is similar 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.

Parameters

filename

The file that the virtual command will be performed on.

Return Values

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

ChangeLog

VersionDescription
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

Warning

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.

Note: Environment variables set in the requested file are not visible to the calling script.

Note: As of PHP 4.3.3 you can use this function with the NSAPI server module in Netscape/iPlanet/SunONE webservers, too.

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Another Useful functions:


zend-api.virtual-utime | zend-api.virtual-unlink | zend-api.virtual-stat | zend-api.virtual-rmdir | zend-api.virtual-rename | zend-api.virtual-realpath | zend-api.virtual-popen | zend-api.virtual-opendir | zend-api.virtual-open | zend-api.virtual-mkdir | zend-api.virtual-lstat | zend-api.virtual-getcwd | zend-api.virtual-getcwd-ex | zend-api.virtual-fopen | zend-api.virtual-filepath | zend-api.virtual-filepath-ex | zend-api.virtual-file-ex | zend-api.virtual-cwd-startup | zend-api.virtual-cwd-shutdown | zend-api.virtual-creat | zend-api.virtual-chown | zend-api.virtual-chmod | zend-api.virtual-chdir | zend-api.virtual-chdir-file | zend-api.virtual-access | function.virtual | function.nsapi-virtual |


PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.