fgetwrapperdata
Retrieves header/meta data from "wrapped" file pointers
Description
mixed fgetwrapperdata(int $fp)
This function returns header or meta data from files opened with fopen. This is useful to return the response headers for HTTP connections, or some other statistics for other resources.
The format of the returned data is deliberately undocumented at this time.
Nota:
This function was introduced in PHP 4.3.0.