--TEST-- Test imap_fetchheader() function : usage variations - diff resource types as $stream_id --SKIPIF-- <?php extension_loaded('imap') or die('skip imap extension not available in this build'); ?> --FILE-- <?php /* Prototype : string imap_fetchheader(resource $stream_id, int $msg_no [, int $options]) * Description: Get the full unfiltered header for a message * Source code: ext/imap/php_imap.c */ /* * Pass different types of resources to imap_fetchheader() to test behaviour */ echo "*** Testing imap_fetchheader() : usage variations ***\n"; echo "\n-- File Resource opened with fopen() --\n"; var_dump($file_pointer = fopen(__FILE__, 'r+')); var_dump(imap_fetchheader($file_pointer, 1)); fclose($file_pointer); echo "\n-- Directory Resource opened with opendir() --\n"; var_dump($dir_handle = opendir(dirname(__FILE__))); var_dump(imap_fetchheader($dir_handle, 1)); closedir($dir_handle); ?> ===DONE=== --EXPECTF-- *** Testing imap_fetchheader() : usage variations *** -- File Resource opened with fopen() -- resource(%d) of type (stream) Warning: imap_fetchheader(): supplied resource is not a valid imap resource in %s on line %d bool(false) -- Directory Resource opened with opendir() -- resource(%d) of type (stream) Warning: imap_fetchheader(): supplied resource is not a valid imap resource in %s on line %d bool(false) ===DONE===