(PHP 4, PHP 5, PHP 7)
Opens file or URL
resource fopen ( string $filename, string $mode [, bool $use_include_path = false [, resource $context ]] )
fopen() binds a named resource, specified by filename, to a stream.
Parameters:
filename
If filename is of the form "scheme://...", it is assumed to be a URL and PHP will search for a protocol handler (also known as a wrapper