248 lines
8.9 KiB
PHP
Executable file
248 lines
8.9 KiB
PHP
Executable file
<?php
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/**
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** imap.php
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**
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** This implements all functions that do general imap functions.
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**/
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/******************************************************************************
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** Reads the output from the IMAP stream. If handle_errors is set to true,
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** this will also handle all errors that are received. If it is not set,
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** the errors will be sent back through $response and $message
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******************************************************************************/
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function sqimap_read_data ($imap_stream, $pre, $handle_errors, $response, $message) {
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global $color;
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$read = fgets ($imap_stream, 1024);
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$counter = 0;
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while ((substr($read, 0, strlen("$pre OK")) != "$pre OK") &&
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(substr($read, 0, strlen("$pre BAD")) != "$pre BAD") &&
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(substr($read, 0, strlen("$pre NO")) != "$pre NO")) {
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$data[$counter] = $read;
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$read = fgets ($imap_stream, 1024);
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$counter++;
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}
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if (substr($read, 0, strlen("$pre OK")) == "$pre OK") {
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$response = "OK";
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$message = trim(substr($read, strlen("$pre OK"), strlen($read)));
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}
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else if (substr($read, 0, strlen("$pre BAD")) == "$pre BAD") {
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$response = "BAD";
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$message = trim(substr($read, strlen("$pre BAD"), strlen($read)));
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}
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else {
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$response = "NO";
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$message = trim(substr($read, strlen("$pre NO"), strlen($read)));
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}
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if ($handle_errors == true) {
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if ($response == "NO") {
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echo "<br><b><font color=$color[2]>";
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echo _("ERROR : Could not complete request.");
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echo "</b><br>";
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echo _("Reason Given: ");
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echo "$message</font><br>";
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exit;
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} else if ($response == "BAD") {
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echo "<br><b><font color=$color[2]>";
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echo _("ERROR : Bad or malformed request.");
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echo "</b><br>";
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echo _("Server responded: ");
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echo "$message</font><br>";
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exit;
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}
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}
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return $data;
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}
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/******************************************************************************
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** Logs the user into the imap server. If $hide is set, no error messages
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** will be displayed. This function returns the imap connection handle.
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******************************************************************************/
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function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) {
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global $color;
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$imap_stream = fsockopen ($imap_server_address, $imap_port, &$error_number, &$error_string);
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$server_info = fgets ($imap_stream, 1024);
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/** Do some error correction **/
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if (!$imap_stream) {
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if (!$hide) {
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echo "Error connecting to IMAP server: $imap_server_address.<br>\r\n";
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echo "$error_number : $error_string<br>\r\n";
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}
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exit;
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}
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fputs ($imap_stream, "a001 LOGIN \"$username\" \"$password\"\r\n");
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$read = fgets ($imap_stream, 1024);
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/** If the connection was not successful, lets see why **/
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if (substr($read, 0, 7) != "a001 OK") {
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if (!$hide) {
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if (substr($read, 0, 8) == "a001 BAD") {
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echo "Bad request: $read<br>\r\n";
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exit;
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} else if (substr($read, 0, 7) == "a001 NO") {
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?>
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<html>
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<body bgcolor=ffffff>
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<br>
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<center>
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<table width=70% noborder bgcolor=ffffff align=center>
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<tr>
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<td bgcolor=dcdcdc>
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<font color=cc0000>
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<center>
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<?php echo _("ERROR") ?>
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</center>
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</font>
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</td>
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</tr>
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<tr>
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<td>
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<center>
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<?php echo _("Unknown user or password incorrect.") ?><br>
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<a href="login.php"><?php echo _("Click here to try again") ?></a>
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</center>
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</td>
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</tr>
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</table>
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</center>
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</body>
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</html>
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<?php
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session_destroy();
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exit;
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} else {
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echo "Unknown error: $read<br>";
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exit;
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}
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} else {
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exit;
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}
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}
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return $imap_stream;
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}
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/******************************************************************************
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** Simply logs out the imap session
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******************************************************************************/
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function sqimap_logout ($imap_stream) {
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fputs ($imap_stream, "a001 LOGOUT\r\n");
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}
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/******************************************************************************
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** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test...
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******************************************************************************/
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function sqimap_get_delimiter ($imap_stream) {
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fputs ($imap_stream, ". LSUB \"\" *\r\n");
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$read = sqimap_read_data($imap_stream, ".", true, $a, $b);
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$quote_position = strpos ($read[0], "\"");
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$delim = substr ($read[0], $quote_position+1, 1);
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return $delim;
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}
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/******************************************************************************
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** Gets the number of messages in the current mailbox.
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******************************************************************************/
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function sqimap_get_num_messages ($imap_stream, $mailbox) {
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fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n");
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$read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
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for ($i = 0; $i < count($read_ary); $i++) {
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if (substr(trim($read_ary[$i]), -6) == EXISTS) {
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$array = explode (" ", $read_ary[$i]);
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$num = $array[1];
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}
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}
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return $num;
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}
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/******************************************************************************
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** Returns a displayable email address
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******************************************************************************/
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function sqimap_find_email ($string) {
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/** Luke Ehresman <lehresma@css.tayloru.edu>
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** <lehresma@css.tayloru.edu>
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** lehresma@css.tayloru.edu
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**/
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if (strpos($string, "<") && strpos($string, ">")) {
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$string = substr($string, strpos($string, "<")+1);
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$string = substr($string, 0, strpos($string, ">"));
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}
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return trim($string);
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}
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/******************************************************************************
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** Takes the From: field, and creates a displayable name.
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** Luke Ehresman <lkehresman@yahoo.com>
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** becomes: Luke Ehresman
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** <lkehresman@yahoo.com>
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** becomes: lkehresman@yahoo.com
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******************************************************************************/
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function sqimap_find_displayable_name ($string) {
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$string = " ".trim($string);
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if (strpos($string, "<") && strpos($string, ">")) {
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if (strpos($string, "<") == 1) {
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$string = sqimap_find_email($string);
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} else {
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$string = trim($string);
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$string = substr($string, 0, strpos($string, "<"));
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$string = ereg_replace ("\"", "", $string);
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}
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}
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return $string;
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}
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/******************************************************************************
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** Returns the number of unseen messages in this folder
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******************************************************************************/
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function sqimap_unseen_messages ($imap_stream, &$num_unseen) {
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fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n");
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$read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message);
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$unseen = false;
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if (strlen($read_ary[0]) > 10) {
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$unseen = true;
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$ary = explode (" ", $read_ary[0]);
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$num_unseen = count($ary) - 2;
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} else {
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$unseen = false;
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$num_unseen = 0;
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}
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return $unseen;
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}
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/******************************************************************************
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** Saves a message to a given folder -- used for saving sent messages
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******************************************************************************/
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function sqimap_append ($imap_stream, $sent_folder, $length) {
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fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n");
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$tmp = fgets ($imap_stream, 1024);
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}
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function sqimap_append_done ($imap_stream) {
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fputs ($imap_stream, "\r\n");
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$tmp = fgets ($imap_stream, 1024);
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}
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?>
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