2 Test imap_fetch_overview() function : usage variations - different resources as $stream_id
5 extension_loaded('imap') or die('skip imap extension not available in this build');
9 /* Prototype : array imap_fetch_overview(resource $stream_id, int $msg_no [, int $options])
10 * Description: Read an overview of the information in the headers
11 * of the given message sequence
12 * Source code: ext/imap/php_imap.c
16 * Pass different resource types to imap_fetch_overview() to test behaviour
19 echo "*** Testing imap_fetch_overview() : usage variations ***\n";
21 echo "\n-- File Resource opened with fopen() --\n";
22 var_dump($file_pointer = fopen(__FILE__, 'r+'));
23 var_dump(imap_fetch_overview($file_pointer, 1));
24 fclose($file_pointer);
26 echo "\n-- Directory Resource opened with opendir() --\n";
27 var_dump($dir_handle = opendir(dirname(__FILE__)));
28 var_dump(imap_fetch_overview($dir_handle, 1));
29 closedir($dir_handle);
33 *** Testing imap_fetch_overview() : usage variations ***
35 -- File Resource opened with fopen() --
36 resource(%d) of type (stream)
38 Warning: imap_fetch_overview(): supplied resource is not a valid imap resource in %s on line %d
41 -- Directory Resource opened with opendir() --
42 resource(%d) of type (stream)
44 Warning: imap_fetch_overview(): supplied resource is not a valid imap resource in %s on line %d