virtual() – Executing an Apache Subrequest
The PHP function virtual() is an Apache‑specific routine that performs a sub‑request, allowing inclusion of CGI scripts or .shtml files by executing the specified filename and returning TRUE on success or FALSE on failure.
The bool virtual(string $filename) function is an Apache‑specific PHP function that works similarly to the <!--#include virtual...--> directive in mod_include. It initiates an Apache sub‑request, which can be used to include a CGI script, an .shtml file, or any other resource that Apache can process.
Parameter
filename
The file that the virtual command will execute.
Return value
Returns TRUE on successful execution of the virtual command, or FALSE if the request fails. For CGI scripts, the script must generate a valid CGI header, at minimum a Content‑Type header.
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