How can one ensure that a CGI script included using virtual() generates valid CGI headers in PHP?

When including a CGI script using virtual() in PHP, you need to ensure that the included script generates valid CGI headers to avoid any issues. To achieve this, you can use the ob_start() function to buffer the output of the included script and then use header() function to set the CGI headers before outputting the buffered content. 

ob_start();
virtual('/path/to/cgi/script.cgi');
header("Content-Type: text/html"); // Set appropriate CGI headers
ob_end_flush();

Keywords

CGI script virtual() PHP headers validation

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