(PHP 4, PHP 5, PHP 7)
Returns header for a message
string imap_fetchheader ( resource $imap_stream, int $msg_number [, int $options = 0 ] )
This function causes a fetch of the complete, unfiltered » RFC2822 format header of the specified message.
Parameters:
imap_stream
An IMAP stream returned by imap_open().
msg_number
The message numbe