2008-11-12 00:29:00 +00:00
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<?php
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/**
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* XMPPHP: The PHP XMPP Library
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* Copyright (C) 2008 Nathanael C. Fritz
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* This file is part of SleekXMPP.
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2019-06-18 19:02:40 +01:00
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*
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2008-11-12 00:29:00 +00:00
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* XMPPHP is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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2019-06-18 19:02:40 +01:00
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*
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2008-11-12 00:29:00 +00:00
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* XMPPHP is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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2019-06-18 19:02:40 +01:00
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*
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2008-11-12 00:29:00 +00:00
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* You should have received a copy of the GNU General Public License
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* along with XMPPHP; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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2019-06-18 19:02:40 +01:00
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* @category xmpphp
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* @package XMPPHP
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* @author Nathanael C. Fritz <JID: fritzy@netflint.net>
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* @author Stephan Wentz <JID: stephan@jabber.wentz.it>
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* @author Michael Garvin <JID: gar@netflint.net>
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* @author Alexander Birkner (https://github.com/BirknerAlex)
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* @author zorn-v (https://github.com/zorn-v/xmpphp/)
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* @author GNU social
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2008-11-12 00:29:00 +00:00
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* @copyright 2008 Nathanael C. Fritz
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*/
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2019-06-18 19:02:40 +01:00
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namespace XMPPHP;
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2008-11-12 00:29:00 +00:00
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/**
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2019-06-18 19:02:40 +01:00
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* XMPPHP Roster
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*
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* @package XMPPHP
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* @author Nathanael C. Fritz <JID: fritzy@netflint.net>
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* @author Stephan Wentz <JID: stephan@jabber.wentz.it>
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* @author Michael Garvin <JID: gar@netflint.net>
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* @copyright 2008 Nathanael C. Fritz
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* @version $Id$
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2008-11-12 00:29:00 +00:00
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*/
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2019-06-18 19:02:40 +01:00
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class Roster
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{
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/**
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* Roster array, handles contacts and presence. Indexed by jid.
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* Contains array with potentially two indexes 'contact' and 'presence'
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* @var array
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*/
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2019-11-02 23:36:21 +00:00
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protected $roster_array = [];
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/**
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* Constructor
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* @param array $roster_array
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*/
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public function __construct($roster_array = [])
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{
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if ($this->verifyRoster($roster_array)) {
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$this->roster_array = $roster_array; //Allow for pre-population with existing roster
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} else {
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$this->roster_array = [];
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2019-06-18 19:02:40 +01:00
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}
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}
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/**
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* Check that a given roster array is of a valid structure (empty is still valid)
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*
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* @param array $roster_array
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* @return bool true for valid, false otherwise
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*/
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protected function verifyRoster(array $roster_array): bool
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{
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#TODO once we know *what* a valid roster array looks like
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return true;
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}
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2008-11-12 00:29:00 +00:00
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2019-06-18 19:02:40 +01:00
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/**
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* Retrieve contact via jid
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*
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* @param string $jid
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2020-09-13 21:00:21 +01:00
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* @return array|null
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*/
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public function getContact(string $jid): ?array
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{
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if ($this->isContact($jid)) {
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return $this->roster_array[$jid]['contact'];
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}
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return null;
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}
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2008-11-12 00:29:00 +00:00
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2019-06-18 19:02:40 +01:00
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/**
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* Discover if a contact exists in the roster via jid
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*
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* @param string $jid
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* @return bool
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*/
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public function isContact(string $jid): bool
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{
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return (array_key_exists($jid, $this->roster_array));
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}
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2008-11-12 00:29:00 +00:00
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2019-06-18 19:02:40 +01:00
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/**
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* Set presence
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*
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* @param string $presence
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* @param int $priority
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* @param string $show
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* @param string $status
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*/
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public function setPresence(string $presence, int $priority, string $show, string $status): void
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{
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$presence = explode('/', $presence, 2);
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$jid = $presence[0];
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$resource = isset($presence[1]) ? $presence[1] : '';
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if ($show != 'unavailable') {
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if (!$this->isContact($jid)) {
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$this->addContact($jid, 'not-in-roster');
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}
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$this->roster_array[$jid]['presence'][$resource] = ['priority' => $priority, 'show' => $show, 'status' => $status];
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} else { //Nuke unavailable resources to save memory
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unset($this->roster_array[$jid]['resource'][$resource]);
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unset($this->roster_array[$jid]['presence'][$resource]);
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}
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}
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2008-11-12 00:29:00 +00:00
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2019-06-18 19:02:40 +01:00
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/**
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* Add given contact to roster
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*
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* @param string $jid
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* @param string $subscription (optional)
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* @param string $name (optional)
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* @param array $groups (optional)
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*/
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public function addContact(
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string $jid,
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string $subscription = 'none',
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string $name = '',
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array $groups = []
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): void {
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$contact = ['jid' => $jid, 'subscription' => $subscription, 'name' => $name, 'groups' => $groups];
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if ($this->isContact($jid)) {
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$this->roster_array[$jid]['contact'] = $contact;
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} else {
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$this->roster_array[$jid] = ['contact' => $contact];
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}
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}
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2008-11-12 00:29:00 +00:00
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2019-11-02 23:36:21 +00:00
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/**
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* Get presence
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2019-06-18 19:02:40 +01:00
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*
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* @param string $jid
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* @return array best presence for jid
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*/
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public function getPresence(string $jid): array
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{
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$split = explode('/', $jid, 2);
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$jid = $split[0];
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if ($this->isContact($jid)) {
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$current = [
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'resource' => '',
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'active' => '',
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'priority' => -129, //Priorities can only be -128 = 127
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'show' => '',
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'status' => ''
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];
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foreach ($this->roster_array[$jid]['presence'] as $resource => $presence) {
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//Highest available priority or just highest priority
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if ($presence['priority'] > $current['priority'] and
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(
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($presence['show'] == "chat" or $presence['show'] == "available") or
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($current['show'] != "chat" or $current['show'] != "available")
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)
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) {
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$current = $presence;
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$current['resource'] = $resource;
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}
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}
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return $current;
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}
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return [];
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}
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2008-11-12 00:29:00 +00:00
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2019-06-18 19:02:40 +01:00
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/**
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* Get roster
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*
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2019-11-02 23:36:21 +00:00
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* @return array roster_array
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2019-06-18 19:02:40 +01:00
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*/
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2019-11-02 23:36:21 +00:00
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public function getRoster(): array
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{
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return $this->roster_array;
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}
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2008-11-12 00:29:00 +00:00
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}
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