imap_search可以搜索“subject”和“UNSEEN”吗？

Question

is it possible search with "subject" and "UNSEEN" using imap_search ? If yes,please reply. Thank you

Answer 1

It is possible to search email messages according to their subject and unseen criteria using imap_search.

Following is prototype of imap_search function

array imap_search ( resource $imap_stream , string $criteria 
[, int $options = SE_FREE [, string $charset = NULL ]] )

where $imap_stream is resource to imap server connection and criteria filters email messages.

To search email messages on basis of their subject and unseen criteria please try executing following code snippet.

define('IMAP_HOST', '{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX');
define('IMAP_USER', 'USERNAME');
define('IMAP_PWD', 'PWD');
$imap_stream = imap_open(IMAP_HOST, IMAP_USER, IMAP_PWD) or die('Cannot connect to Gmail: ' . imap_last_error());
$emails = imap_search($imap_stream, 'SUBJECT my subject UNSEEN');