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IMAP

PHP Manual

imap_open

(PHP 4, PHP 5)

imap_open — Open an IMAP stream to a mailbox

Описание

resource imap_open ( string $mailbox , string $username , string $password [, int $options [, int $n_retries ]] )

Opens an IMAP stream to a mailbox .

This function can also be used to open streams to POP3 and NNTP servers, but some functions and features are only available on IMAP servers.

Список параметров

mailbox

A mailbox name consists of a server and a mailbox path on this server. The special name INBOX stands for the current users personal mailbox. Mailbox names that contain international characters besides those in the printable ASCII space have to be encoded width imap_utf7_encode().

The server part, which is enclosed in '{' and '}', consists of the servers name or ip address, an optional port (prefixed by ':'), and an optional protocol specification (prefixed by '/').

The server part is mandatory in all mailbox parameters.

All names which start with { are remote names, and are in the form "{" remote_system_name [":" port] [flags] "}" [mailbox_name] where:

• remote_system_name - Internet domain name or bracketed IP address of server.
• port - optional TCP port number, default is the default port for that service
• flags - optional flags, see following table.
• mailbox_name - remote mailbox name, default is INBOX

Optional flags for names

Flag	Description
/service=service	mailbox access service, default is "imap"
/user=user	remote user name for login on the server
/authuser=user	remote authentication user; if specified this is the user name whose password is used (e.g. administrator)
/anonymous	remote access as anonymous user
/debug	record protocol telemetry in application's debug log
/secure	do not transmit a plaintext password over the network
/imap, /imap2, /imap2bis, /imap4, /imap4rev1	equivalent to /service=imap
/pop3	equivalent to /service=pop3
/nntp	equivalent to /service=nntp
/norsh	do not use rsh or ssh to establish a preauthenticated IMAP session
/ssl	use the Secure Socket Layer to encrypt the session
/validate-cert	validate certificates from TLS/SSL server (this is the default behavior)
/novalidate-cert	do not validate certificates from TLS/SSL server, needed if server uses self-signed certificates
/tls	force use of start-TLS to encrypt the session, and reject connection to servers that do not support it
/notls	do not do start-TLS to encrypt the session, even with servers that support it
/readonly	request read-only mailbox open (IMAP only; ignored on NNTP, and an error with SMTP and POP3)

username

The user name

password

The password associated with the username

options

The options are a bit mask with one or more of the following:

• OP_READONLY - Open mailbox read-only
• OP_ANONYMOUS - Don't use or update a .newsrc for news (NNTP only)
• OP_HALFOPEN - For IMAP and NNTP names, open a connection but don't open a mailbox.
• CL_EXPUNGE - Expunge mailbox automatically upon mailbox close (see also imap_delete() and imap_expunge())
• OP_DEBUG - Debug protocol negotiations
• OP_SHORTCACHE - Short (elt-only) caching
• OP_SILENT - Don't pass up events (internal use)
• OP_PROTOTYPE - Return driver prototype
• OP_SECURE - Don't do non-secure authentication

n_retries

Number of maximum connect attempts

Возвращаемые значения

Returns an IMAP stream on success or FALSE on error.

Список изменений

Примеры

Пример #1 Different use of imap_open()

<?php
// To connect to an IMAP server running on port 143 on the local machine,
// do the following:
$mbox = imap_open("{localhost:143}INBOX", "user_id", "password");

// To connect to a POP3 server on port 110 on the local server, use:
$mbox = imap_open ("{localhost:110/pop3}INBOX", "user_id", "password");

// To connect to an SSL IMAP or POP3 server, add /ssl after the protocol
// specification:
$mbox = imap_open ("{localhost:993/imap/ssl}INBOX", "user_id", "password");

// To connect to an SSL IMAP or POP3 server with a self-signed certificate,
// add /ssl/novalidate-cert after the protocol specification:
$mbox = imap_open ("{localhost:995/pop3/ssl/novalidate-cert}", "user_id", "password");

// To connect to an NNTP server on port 119 on the local server, use:
$nntp = imap_open ("{localhost:119/nntp}comp.test", "", "");
// To connect to a remote server replace "localhost" with the name or the
// IP address of the server you want to connect to.
?>

Пример #2 imap_open() example

<?php
$mbox = imap_open("{imap.example.org:143}", "username", "password");

echo "<h1>Mailboxes</h1>\n";
$folders = imap_listmailbox($mbox, "{imap.example.org:143}", "*");

if ($folders == false) {
    echo "Call failed<br />\n";
} else {
    foreach ($folders as $val) {
        echo $val . "<br />\n";
    }
}

echo "<h1>Headers in INBOX</h1>\n";
$headers = imap_headers($mbox);

if ($headers == false) {
    echo "Call failed<br />\n";
} else {
    foreach ($headers as $val) {
        echo $val . "<br />\n";
    }
}

imap_close($mbox);
?>

Смотрите также

• imap_close()

imap_num_recent

imap_ping

IMAP

PHP Manual