('/(?<!&#[0-9]{3}|&#[0-9]{4}|&#[0-9]{5});/', $recipientlist)) // multiple recipients attempted
		{
			$recipientlist = preg_split('/(?<!&#[0-9]{3}|&#[0-9]{4}|&#[0-9]{5});/', $recipientlist, -1, PREG_SPLIT_NO_EMPTY);
			foreach ($recipientlist AS $recipient)
			{
				$recipient = trim($recipient);
				if ($recipient != '')
				{
					$names[] = htmlspecialchars_uni($recipient);
				}
			}
		}
		// just a single user
		else
		{
			$names[] = htmlspecialchars_uni($recipientlist);
		}

		// check for max allowed recipients
		if ($permissions['pmsendmax'] > 0)
		{
			$this->info['numusers'] += sizeof($names);
		}

		// query recipients
		$checkusers = $this->dbobject->query_read_slave("
			SELECT usertextfield.*, user.*
			FROM " . TABLE_PREFIX . "user AS user
			LEFT JOIN " . TABLE_PREFIX . "usertextfield AS usertextfield ON(usertextfield.userid = user.userid)
			WHERE username IN('" . implode('\', \'', array_map(array($this->dbobject, 'escape_string'), $names)) . "')
			ORDER BY user.username
		");

		// build array of checked users
		while ($checkuser = $this->dbobject->fetch_array($checkusers))
		{
			$lowname = vbstrtolower($checkuser['username']);

			$checkuserperms = fetch_permissions(0, $checkuser['userid'], $checkuser);
			if ($checkuserperms['pmquota'] < 1 AND !$this->overridequota) // can't use pms
			{
				if ($checkuser['options'] & $this->registry->bf_misc_useroptions['receivepm'])
				{
					// This will cause the 'can't receive pms' error below to be triggered
					$checkuser['options'] -= $this->registry->bf_misc_useroptions['receivepm'];
				}
			}

			$users["$lowname"] = $checkuser;
		}

		$this->dbobject->free_result($checkusers);

		// check to see if any recipients were not found
		foreach ($names AS $name)
		{
			$lowname = vbstrtolower($name);
			if (!isset($users["$lowname"]))
			{
				$notfound[] = $name;
			}
		}

		if (!empty($notfound)) // error - some users were not found
		{
			$comma = $vbphrase['comma_space'];
			$this->error('pmrecipientsnotfound', implode("</li>$comma<li>", $notfound));
			return false;
		}

		// run through recipients to check if we can insert the message
		foreach ($users AS $lowname => $user)
		{
			if (!($user['options'] & $this->registry->bf_misc_useroptions['receivepm']) AND !$this->overridequota)
			{
				// recipient has private messaging disabled
				$this->error('pmrecipturnedoff', $user['username']);
				return false;
			}
			else if (($user['options'] & $this->registry->bf_misc_useroptions['receivepmbuddies']) AND strpos(" $user[buddylist] ", " $fromuser[userid] ") === false AND !can_moderate() AND !$this->overridequota)
			{
				// recipient receives PMs only from buddies and sender is not on the list and not board staff
				$this->error('pmrecipturnedoff', $user['username']);
				return false;
			}
			else
			{
				// don't allow a tachy user to sends pms to anyone other than himself
				if (in_coventry($fromuser['userid'], true) AND $user['userid'] != $fromuser['userid'])
				{
					$this->info['tostring']["$type"]["$user[userid]"] = $user['username'];
					continue;
				}
				else if (strpos(" $user[ignorelist] ", ' ' . $fromuser['userid'] . ' ') !== false AND !$this->overridequota)
				{
					// recipient is ignoring sender
					if ($permissions['adminpermissions'] & $this->registry->bf_ugp_adminpermissions['cancontrolpanel'])
					{
						$recipients["$lowname"] = true;
						$this->info['tostring']["$type"]["$user[userid]"] = $user['username'];
					}
					else
					{
						// bbuser is being ignored by recipient - do not send, but do not error
						$this->info['tostring']["$type"]["$user[userid]"] = $user['username'];
						continue;
					}
				}
				else
				{
					cache_permissions($user, false);
					if ($user['permissions'] < 1)
					{
						// recipient has no pm permission
						$this->error('pmusernotallowed', $user['username']);
					}
					else
					{
						if ($user['pmtotal'] >= $user['permissions']['pmquota'] AND !$this->overridequota)
						{
							// recipient is over their pm quota, is the sender allowed to ignore it?
							if ($permissions['pmpermissions'] & $this->registry->bf_ugp_pmpermissions['canignorequota'])
							{
								$recipients["$lowname"] = true;
								$this->info['tostring']["$type"]["$user[userid]"] = $user['username'];
							}
							else if ($user['usergroupid'] != 3 AND $user['usergroupid'] != 4)
							{
								$touserinfo =& $user;
								eval(fetch_email_phrases('pmboxfull', $touserinfo['languageid'], '', 'email'));
								vbmail($touserinfo['email'], $emailsubject, $emailmessage, true);
								$this->error('pmquotaexceeded', $user['username']);
							}
							else
							{
								$this->error('pmquotaexceeded', $user['username']);
							}
						}
						else
						{
							if (!($user['options'] & $this->registry->bf_misc_useroptions['pmboxwarning']) AND $user['permissions']['pmquota'] AND ((($user['pmtotal'] + 1 ) / $user['permissions']['pmquota']) >= .9))
							{	// Send email about box being almost full
								$this->info['pmwarning']["$user[userid]"] = true;
							}

							// okay, send the message!
							$recipients["$lowname"] = true;
							$this->info['tostring']["$type"]["$user[userid]"] = $user['username'];
						}
					}
				}
			}
		}

		if (empty($this->errors))
		{
			foreach ($recipients AS $lowname => $bool)
			{
				$user =& $users["$lowname"];

				$this->info['recipients']["$user[userid]"] = $user;
			}

			return true;
		}
		else
		{
			return false;
		}
	}

	// #############################################################################
	// data saving

	/**
	* Any checks to run immediately before saving. If returning false, the save will not take place.
	*
	* @param	boolean	Do the query?
	*
	* @return	boolean	True on success; false if an error occurred
	*/
	function pre_save($doquery = true)
	{
		if ($this->presave_called !== null)
		{
			return $this->presave_called;
		}

		if (empty($this->errors))
		{
			if (empty($this->info['tostring']))
			{
				$this->error('pminvalidrecipient', $this->registry->session->vars['sessionurl_q']);
				return false;
			}
			else if ($this->info['numusers'] > $this->info['permissions']['pmsendmax'])
			{
				$this->error('pmtoomanyrecipients', $this->info['numusers'], $this->info['permissions']['pmsendmax']);
				return false;
			}
		}

		// Check if the parent pm is already a child of a thread
		if ($parentpmid = intval($this->info['parentpmid']))
		{
			$pm = $this->dbobject->query_first_slave("
				SELECT parentpmid
				FROM " . TABLE_PREFIX . "pm
				WHERE pmid = $parentpmid
					AND userid = " . intval($this->fetch_field('fromuserid'))
			);

			$this->info['parentpmid'] = (intval($pm['parentpmid']) ? $pm['parentpmid'] : $parentpmid);
		}

		$tostring = serialize($this->info['tostring']);
		$this->do_set('touserarray', $tostring);

		$return_value = true;
		($hook = vBulletinHook::fetch_hook('pmdata_presave')) ? eval($hook) : false;

		$this->presave_called = $return_value;
		return $return_value;
	}

	function post_save_each($doquery = true, $result = false)
	{
		$pmtextid = ($this->existing['pmtextid'] ? $this->existing['pmtextid'] : $this->pmtext['pmtextid']);
		$fromuserid = intval($this->fetch_field('fromuserid'));
		$fromusername = $this->fetch_field('fromusername');
		$parentpmid = intval($this->info['parentpmid']);

		if (!$this->condition)
		{
			if (is_array($this->info['recipients']))
			{
				$receipt_sql = array();
				$popupusers = array();
				$warningusers = array();

				require_once(DIR . '/includes/class_bbcode_alt.php');
				$plaintext_parser = new vB_BbCodeParser_PlainText($this->registry, fetch_tag_list());
				$plaintext_title = unhtmlspecialchars($this->fetch_field('title'));

				// insert records for recipients
				foreach ($this->info['recipients'] AS $userid => $user)
				{
					/*insert query*/
					$query = $this->dbobject->query_write($sql = "INSERT INTO " . TABLE_PREFIX . "pm (pmtextid, userid, parentpmid) VALUES ($pmtextid, $user[userid], $parentpmid)");

					// ensure all subsequent pm's use a common parentpmid
					if (!$parentpmid)
					{
						$parentpmid = $this->info['parentpmid'] = $this->dbobject->insert_id();
					}

					if ($this->info['receipt'])
					{
						$receipt_sql[] = "(" . $this->dbobject->insert_id() . ", $fromuserid, $user[userid],
							'" . $this->dbobject->escape_string($user['username']) . "', '" . $this->dbobject->escape_string($this->pmtext['title']) .
							"', " . TIMENOW . ")";
					}

					if ($user['pmpopup'])
					{
						$popupusers[] = $user['userid'];
					}

					$email_phrases = array(
						'pmreceived' => 'pmreceived',
						'pmboxalmostfull' => 'pmboxalmostfull'
					);
					($hook = vBulletinHook::fetch_hook('pmdata_postsave_recipient')) ? eval($hook) : false;

					if (($user['options'] & $this->registry->bf_misc_useroptions['emailonpm']) AND $user['usergroupid'] != 3 AND $user['usergroupid'] != 4)
					{
						$touserinfo =& $user;
						$plaintext_parser->set_parsing_language($touserinfo['languageid']);
						$plaintext_message = $plaintext_parser->parse($this->fetch_field('message'), 'privatemessage');

						eval(fetch_email_phrases($email_phrases['pmreceived'], $touserinfo['languageid'], '', 'email'));
						vbmail($touserinfo['email'], $emailsubject, $emailmessage);
					}

					if (!empty($this->info['pmwarning']["$user[userid]"]) AND !($user['options'] & $this->registry->bf_misc_useroptions['pmboxwarning']))
					{	// email user about pm box nearly being full
						$warningusers[] = $user['userid'];
						$touserinfo =& $user;
						eval(fetch_email_phrases($email_phrases['pmboxalmostfull'], $touserinfo['languageid'], '', 'email'));
						vbmail($touserinfo['email'], $emailsubject, $emailmessage, true);
					}
				}

				// insert receipts
				if (!empty($receipt_sql) AND $this->info['cantrackpm'])
				{
					/*insert query*/
					$this->dbobject->query_write("INSERT INTO " . TABLE_PREFIX . "pmreceipt\n\t(pmid, userid, touserid, tousername, title, sendtime)\nVALUES\n\t" . implode(",\n\t", $receipt_sql));
				}


				$querysql = array(
					"pmtotal = pmtotal + 1",
					"pmunread = pmunread + 1"
				);

				if (!empty($warningusers))
				{
					$querysql[] = "
					options =
					CASE
						WHEN userid IN(" . implode(', ', $warningusers) . ") THEN options | " . $this->registry->bf_misc_useroptions['pmboxwarning'] . "
					ELSE options
					END
					";
				}
				if (!empty($popupusers))
				{
					$querysql[] = "
					pmpopup =
					CASE
						WHEN userid IN(" . implode(', ', $popupusers) . ") THEN 2
					ELSE pmpopup
					END
					";
				}

				$this->dbobject->query_write("
					UPDATE " . TABLE_PREFIX . "user
					SET " . implode(', ', $querysql) . "
					WHERE userid IN(" . implode(', ', array_keys($this->info['recipients'])) . ")
				");

			}

			// update replied to / forwarded message 'messageread' status
			if (!empty($this->info['replypmid']))
			{
				$this->dbobject->query_write("
					UPDATE " . TABLE_PREFIX . "pm SET
						messageread = " . ($this->info['forward'] ? 3 : 2) . "
					WHERE userid = $fromuserid AND pmid = " . intval($this->info['replypmid'])
				);

				// mark receipt as read
				$this->dbobject->query_write("
					UPDATE " . TABLE_PREFIX . "pmreceipt
					SET readtime = " . TIMENOW . ",
						denied = 0
					WHERE pmid = " . intval($this->info['replypmid']) . "
					AND touserid = " . $fromuserid . "
					AND readtime = 0
				");
			}

			// save a copy in the sent items folder
			if ($this->info['savecopy'])
			{
				/*insert query*/
				$this->dbobject->query_write("
					INSERT INTO " . TABLE_PREFIX . "pm
						(pmtextid, userid, folderid, messageread, parentpmid)
					VALUES
						($pmtextid, $fromuserid, -1, 1, $parentpmid)
				");

				$user = fetch_userinfo($fromuserid);
				$userdm =& datamanager_init('User', $this->registry, ERRTYPE_SILENT);
				$userdm->set_existing($user);
				$userdm->set('pmtotal', 'pmtotal + 1', false);
				$userdm->save();
				unset($userdm);
			}

			// log message for throttling
			$frompermissions = fetch_permissions(0, $fromuserid);
			if ($this->registry->options['pmthrottleperiod'] AND $frompermissions['pmthrottlequantity'])
			{
				$throttle_sql = array();
				foreach ($this->info['recipients'] AS $user)
				{
					$throttle_sql[] = "($fromuserid, " . TIMENOW . ")";
				}

				if (!empty($throttle_sql))
				{
					$this->registry->db->query_write("
						INSERT INTO " . TABLE_PREFIX . "pmthrottle (userid, dateline) VALUES " .
						implode(",\n\t", $throttle_sql)
					);
				}
			}
		}

		($hook = vBulletinHook::fetch_hook('pmdata_postsave')) ? eval($hook) : false;
	}
}

/*======================================================================*\
|| ####################################################################
|| # CVS: $RCSfile$ - $Revision: 53471 $
|| ####################################################################
\*======================================================================*/
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