1--TEST-- 2Test imap_fetchheader() function : usage variations - diff resource types as $stream_id 3--SKIPIF-- 4<?php 5extension_loaded('imap') or die('skip imap extension not available in this build'); 6?> 7--FILE-- 8<?php 9/* Prototype : string imap_fetchheader(resource $stream_id, int $msg_no [, int $options]) 10 * Description: Get the full unfiltered header for a message 11 * Source code: ext/imap/php_imap.c 12 */ 13 14/* 15 * Pass different types of resources to imap_fetchheader() to test behaviour 16 */ 17 18echo "*** Testing imap_fetchheader() : usage variations ***\n"; 19 20echo "\n-- File Resource opened with fopen() --\n"; 21var_dump($file_pointer = fopen(__FILE__, 'r+')); 22var_dump(imap_fetchheader($file_pointer, 1)); 23fclose($file_pointer); 24 25echo "\n-- Directory Resource opened with opendir() --\n"; 26var_dump($dir_handle = opendir(dirname(__FILE__))); 27var_dump(imap_fetchheader($dir_handle, 1)); 28closedir($dir_handle); 29?> 30===DONE=== 31--EXPECTF-- 32*** Testing imap_fetchheader() : usage variations *** 33 34-- File Resource opened with fopen() -- 35resource(%d) of type (stream) 36 37Warning: imap_fetchheader(): supplied resource is not a valid imap resource in %s on line %d 38bool(false) 39 40-- Directory Resource opened with opendir() -- 41resource(%d) of type (stream) 42 43Warning: imap_fetchheader(): supplied resource is not a valid imap resource in %s on line %d 44bool(false) 45===DONE===