friendica/mod/events.php

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<?php
/**
* @fiel mod/events.php
* @brief The events module
*/
require_once('include/bbcode.php');
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require_once('include/datetime.php');
require_once('include/event.php');
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require_once('include/items.php');
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function events_init(&$a) {
if(! local_user())
return;
if($a->argc == 1) {
// if it's a json request abort here becaus we don't
// need the widget data
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if($a->argv[1] === 'json')
return;
$cal_widget = widget_events();
if(! x($a->page,'aside'))
$a->page['aside'] = '';
$a->page['aside'] .= $cal_widget;
}
return;
}
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function events_post(&$a) {
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logger('post: ' . print_r($_REQUEST,true));
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if(! local_user())
return;
$event_id = ((x($_POST,'event_id')) ? intval($_POST['event_id']) : 0);
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$cid = ((x($_POST,'cid')) ? intval($_POST['cid']) : 0);
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$uid = local_user();
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$start_text = escape_tags($_REQUEST['start_text']);
$finish_text = escape_tags($_REQUEST['finish_text']);
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$adjust = intval($_POST['adjust']);
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$nofinish = intval($_POST['nofinish']);
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// The default setting for the `private` field in event_store() is false, so mirror that
$private_event = false;
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if($start_text) {
$start = $start_text;
}
else {
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$start = sprintf('%d-%d-%d %d:%d:0',$startyear,$startmonth,$startday,$starthour,$startminute);
}
if($nofinish) {
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$finish = '0000-00-00 00:00:00';
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}
if($finish_text) {
$finish = $finish_text;
}
else {
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$finish = sprintf('%d-%d-%d %d:%d:0',$finishyear,$finishmonth,$finishday,$finishhour,$finishminute);
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}
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if($adjust) {
$start = datetime_convert(date_default_timezone_get(),'UTC',$start);
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if(! $nofinish)
$finish = datetime_convert(date_default_timezone_get(),'UTC',$finish);
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}
else {
$start = datetime_convert('UTC','UTC',$start);
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if(! $nofinish)
$finish = datetime_convert('UTC','UTC',$finish);
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}
// Don't allow the event to finish before it begins.
// It won't hurt anything, but somebody will file a bug report
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// and we'll waste a bunch of time responding to it. Time that
// could've been spent doing something else.
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$summary = escape_tags(trim($_POST['summary']));
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$desc = escape_tags(trim($_POST['desc']));
$location = escape_tags(trim($_POST['location']));
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$type = 'event';
$action = ($event_id == '') ? 'new' : "event/" . $event_id;
$onerror_url = $a->get_baseurl() . "/events/" . $action . "?summary=$summary&description=$desc&location=$location&start=$start_text&finish=$finish_text&adjust=$adjust&nofinish=$nofinish";
if(strcmp($finish,$start) < 0 && !$nofinish) {
notice( t('Event can not end before it has started.') . EOL);
if(intval($_REQUEST['preview'])) {
echo( t('Event can not end before it has started.'));
killme();
}
goaway($onerror_url);
}
if((! $summary) || (! $start)) {
notice( t('Event title and start time are required.') . EOL);
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if(intval($_REQUEST['preview'])) {
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echo( t('Event title and start time are required.'));
killme();
}
goaway($onerror_url);
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}
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$share = ((intval($_POST['share'])) ? intval($_POST['share']) : 0);
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$c = q("select id from contact where uid = %d and self = 1 limit 1",
intval(local_user())
);
if(count($c))
$self = $c[0]['id'];
else
$self = 0;
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if($share) {
$str_group_allow = perms2str($_POST['group_allow']);
$str_contact_allow = perms2str($_POST['contact_allow']);
$str_group_deny = perms2str($_POST['group_deny']);
$str_contact_deny = perms2str($_POST['contact_deny']);
// Undo the pseudo-contact of self, since there are real contacts now
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if( strpos($str_contact_allow, '<' . $self . '>') !== false )
{
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$str_contact_allow = str_replace('<' . $self . '>', '', $str_contact_allow);
}
// Make sure to set the `private` field as true. This is necessary to
// have the posts show up correctly in Diaspora if an event is created
// as visible only to self at first, but then edited to display to others.
if( strlen($str_group_allow) or strlen($str_contact_allow) or strlen($str_group_deny) or strlen($str_contact_deny) )
{
$private_event = true;
}
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}
else {
// Note: do not set `private` field for self-only events. It will
// keep even you from seeing them!
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$str_contact_allow = '<' . $self . '>';
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$str_group_allow = $str_contact_deny = $str_group_deny = '';
}
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$datarray = array();
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$datarray['guid'] = get_guid(32);
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$datarray['start'] = $start;
$datarray['finish'] = $finish;
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$datarray['summary'] = $summary;
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$datarray['desc'] = $desc;
$datarray['location'] = $location;
$datarray['type'] = $type;
$datarray['adjust'] = $adjust;
$datarray['nofinish'] = $nofinish;
$datarray['uid'] = $uid;
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$datarray['cid'] = $cid;
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$datarray['allow_cid'] = $str_contact_allow;
$datarray['allow_gid'] = $str_group_allow;
$datarray['deny_cid'] = $str_contact_deny;
$datarray['deny_gid'] = $str_group_deny;
$datarray['private'] = (($private_event) ? 1 : 0);
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$datarray['id'] = $event_id;
$datarray['created'] = $created;
$datarray['edited'] = $edited;
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if(intval($_REQUEST['preview'])) {
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$html = format_event_html($datarray);
echo $html;
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killme();
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}
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$item_id = event_store($datarray);
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if(! $cid)
proc_run(PRIORITY_HIGH, "include/notifier.php", "event", $item_id);
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goaway($_SESSION['return_url']);
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}
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function events_content(&$a) {
if(! local_user()) {
notice( t('Permission denied.') . EOL);
return;
}
if($a->argc == 1)
$_SESSION['return_url'] = $a->get_baseurl() . '/' . $a->cmd;
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if(($a->argc > 2) && ($a->argv[1] === 'ignore') && intval($a->argv[2])) {
$r = q("update event set ignore = 1 where id = %d and uid = %d",
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intval($a->argv[2]),
intval(local_user())
);
}
if(($a->argc > 2) && ($a->argv[1] === 'unignore') && intval($a->argv[2])) {
$r = q("update event set ignore = 0 where id = %d and uid = %d",
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intval($a->argv[2]),
intval(local_user())
);
}
if ($a->theme_events_in_profile)
nav_set_selected('home');
else
nav_set_selected('events');
$editselect = 'none';
if( feature_enabled(local_user(), 'richtext') )
$editselect = 'textareas';
// get the translation strings for the callendar
$i18n = get_event_strings();
$htpl = get_markup_template('event_head.tpl');
$a->page['htmlhead'] .= replace_macros($htpl,array(
'$baseurl' => $a->get_baseurl(),
'$module_url' => '/events',
'$modparams' => 1,
'$i18n' => $i18n,
'$editselect' => $editselect
));
$etpl = get_markup_template('event_end.tpl');
$a->page['end'] .= replace_macros($etpl,array(
'$baseurl' => $a->get_baseurl(),
'$editselect' => $editselect
));
$o ="";
// tabs
if ($a->theme_events_in_profile)
$tabs = profile_tabs($a, True);
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$mode = 'view';
$y = 0;
$m = 0;
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$ignored = ((x($_REQUEST,'ignored')) ? intval($_REQUEST['ignored']) : 0);
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if($a->argc > 1) {
if($a->argc > 2 && $a->argv[1] == 'event') {
$mode = 'edit';
$event_id = intval($a->argv[2]);
}
if($a->argv[1] === 'new') {
$mode = 'new';
$event_id = 0;
}
if($a->argc > 2 && intval($a->argv[1]) && intval($a->argv[2])) {
$mode = 'view';
$y = intval($a->argv[1]);
$m = intval($a->argv[2]);
}
}
// The view mode part is similiar to /mod/cal.php
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if($mode == 'view') {
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$thisyear = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
$thismonth = datetime_convert('UTC',date_default_timezone_get(),'now','m');
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if(! $y)
$y = intval($thisyear);
if(! $m)
$m = intval($thismonth);
// Put some limits on dates. The PHP date functions don't seem to do so well before 1900.
// An upper limit was chosen to keep search engines from exploring links millions of years in the future.
if($y < 1901)
$y = 1900;
if($y > 2099)
$y = 2100;
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$nextyear = $y;
$nextmonth = $m + 1;
if($nextmonth > 12) {
$nextmonth = 1;
$nextyear ++;
}
$prevyear = $y;
if($m > 1)
$prevmonth = $m - 1;
else {
$prevmonth = 12;
$prevyear --;
}
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$dim = get_dim($y,$m);
$start = sprintf('%d-%d-%d %d:%d:%d',$y,$m,1,0,0,0);
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$finish = sprintf('%d-%d-%d %d:%d:%d',$y,$m,$dim,23,59,59);
if ($a->argv[1] === 'json'){
if (x($_GET,'start')) $start = $_GET['start'];
if (x($_GET,'end')) $finish = $_GET['end'];
}
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$start = datetime_convert('UTC','UTC',$start);
$finish = datetime_convert('UTC','UTC',$finish);
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$adjust_start = datetime_convert('UTC', date_default_timezone_get(), $start);
$adjust_finish = datetime_convert('UTC', date_default_timezone_get(), $finish);
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// put the event parametes in an array so we can better transmit them
$event_params = array(
'event_id' => (x($_GET,'id') ? $_GET["id"] : 0),
'start' => $start,
'finish' => $finish,
'adjust_start' => $adjust_start,
'adjust_finish' => $adjust_finish,
'ignored' => $ignored,
);
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// get events by id or by date
if (x($_GET,'id')){
$r = event_by_id(local_user(), $event_params);
} else {
$r = events_by_date(local_user(), $event_params);
}
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$links = array();
if (dbm::is_result($r)) {
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$r = sort_by_date($r);
foreach($r as $rr) {
$j = (($rr['adjust']) ? datetime_convert('UTC',date_default_timezone_get(),$rr['start'], 'j') : datetime_convert('UTC','UTC',$rr['start'],'j'));
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if(! x($links,$j))
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$links[$j] = $a->get_baseurl() . '/' . $a->cmd . '#link-' . $j;
}
}
$events=array();
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// transform the event in a usable array
if (dbm::is_result($r)) {
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$r = sort_by_date($r);
$events = process_events($r);
}
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if ($a->argv[1] === 'json'){
echo json_encode($events); killme();
}
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// links: array('href', 'text', 'extra css classes', 'title')
if (x($_GET,'id')){
$tpl = get_markup_template("event.tpl");
} else {
// if (get_config('experimentals','new_calendar')==1){
$tpl = get_markup_template("events_js.tpl");
// } else {
// $tpl = get_markup_template("events.tpl");
// }
}
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// Get rid of dashes in key names, Smarty3 can't handle them
foreach($events as $key => $event) {
$event_item = array();
foreach($event['item'] as $k => $v) {
$k = str_replace('-','_',$k);
$event_item[$k] = $v;
}
$events[$key]['item'] = $event_item;
}
$o = replace_macros($tpl, array(
'$baseurl' => $a->get_baseurl(),
'$tabs' => $tabs,
'$title' => t('Events'),
'$view' => t('View'),
'$new_event' => array($a->get_baseurl().'/events/new',t('Create New Event'),'',''),
'$previus' => array($a->get_baseurl()."/events/$prevyear/$prevmonth",t('Previous'),'',''),
'$next' => array($a->get_baseurl()."/events/$nextyear/$nextmonth",t('Next'),'',''),
'$calendar' => cal($y,$m,$links, ' eventcal'),
'$events' => $events,
"today" => t("today"),
"month" => t("month"),
"week" => t("week"),
"day" => t("day"),
"list" => t("list"),
));
if (x($_GET,'id')){ echo $o; killme(); }
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return $o;
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}
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if($mode === 'edit' && $event_id) {
$r = q("SELECT * FROM `event` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($event_id),
intval(local_user())
);
if (dbm::is_result($r))
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$orig_event = $r[0];
}
// Passed parameters overrides anything found in the DB
if($mode === 'edit' || $mode === 'new') {
if(!x($orig_event)) $orig_event = array();
// In case of an error the browser is redirected back here, with these parameters filled in with the previous values
if(x($_REQUEST,'nofinish')) $orig_event['nofinish'] = $_REQUEST['nofinish'];
if(x($_REQUEST,'adjust')) $orig_event['adjust'] = $_REQUEST['adjust'];
if(x($_REQUEST,'summary')) $orig_event['summary'] = $_REQUEST['summary'];
if(x($_REQUEST,'description')) $orig_event['description'] = $_REQUEST['description'];
if(x($_REQUEST,'location')) $orig_event['location'] = $_REQUEST['location'];
if(x($_REQUEST,'start')) $orig_event['start'] = $_REQUEST['start'];
if(x($_REQUEST,'finish')) $orig_event['finish'] = $_REQUEST['finish'];
}
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if($mode === 'edit' || $mode === 'new') {
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$n_checked = ((x($orig_event) && $orig_event['nofinish']) ? ' checked="checked" ' : '');
$a_checked = ((x($orig_event) && $orig_event['adjust']) ? ' checked="checked" ' : '');
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$t_orig = ((x($orig_event)) ? $orig_event['summary'] : '');
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$d_orig = ((x($orig_event)) ? $orig_event['desc'] : '');
$l_orig = ((x($orig_event)) ? $orig_event['location'] : '');
$eid = ((x($orig_event)) ? $orig_event['id'] : 0);
$cid = ((x($orig_event)) ? $orig_event['cid'] : 0);
$uri = ((x($orig_event)) ? $orig_event['uri'] : '');
if(! x($orig_event))
$sh_checked = '';
else
$sh_checked = (($orig_event['allow_cid'] === '<' . local_user() . '>' && (! $orig_event['allow_gid']) && (! $orig_event['deny_cid']) && (! $orig_event['deny_gid'])) ? '' : ' checked="checked" ' );
if($cid OR ($mode !== 'new'))
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$sh_checked .= ' disabled="disabled" ';
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$sdt = ((x($orig_event)) ? $orig_event['start'] : 'now');
$fdt = ((x($orig_event)) ? $orig_event['finish'] : 'now');
$tz = date_default_timezone_get();
if(x($orig_event))
$tz = (($orig_event['adjust']) ? date_default_timezone_get() : 'UTC');
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$syear = datetime_convert('UTC', $tz, $sdt, 'Y');
$smonth = datetime_convert('UTC', $tz, $sdt, 'm');
$sday = datetime_convert('UTC', $tz, $sdt, 'd');
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$shour = ((x($orig_event)) ? datetime_convert('UTC', $tz, $sdt, 'H') : 0);
$sminute = ((x($orig_event)) ? datetime_convert('UTC', $tz, $sdt, 'i') : 0);
$fyear = datetime_convert('UTC', $tz, $fdt, 'Y');
$fmonth = datetime_convert('UTC', $tz, $fdt, 'm');
$fday = datetime_convert('UTC', $tz, $fdt, 'd');
$fhour = ((x($orig_event)) ? datetime_convert('UTC', $tz, $fdt, 'H') : 0);
$fminute = ((x($orig_event)) ? datetime_convert('UTC', $tz, $fdt, 'i') : 0);
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$f = get_config('system','event_input_format');
if(! $f)
$f = 'ymd';
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require_once('include/acl_selectors.php');
if ($mode === 'new')
$acl = (($cid) ? '' : populate_acl(((x($orig_event)) ? $orig_event : $a->user)));
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$tpl = get_markup_template('event_form.tpl');
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$o .= replace_macros($tpl,array(
'$post' => $a->get_baseurl() . '/events',
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'$eid' => $eid,
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'$cid' => $cid,
'$uri' => $uri,
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'$title' => t('Event details'),
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'$desc' => t('Starting date and Title are required.'),
'$s_text' => t('Event Starts:') . ' <span class="required" title="' . t('Required') . '">*</span>',
'$s_dsel' => datetimesel($f,new DateTime(),DateTime::createFromFormat('Y',$syear+5),DateTime::createFromFormat('Y-m-d H:i',"$syear-$smonth-$sday $shour:$sminute"),t('Event Starts:'),'start_text',true,true,'','',true),
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'$n_text' => t('Finish date/time is not known or not relevant'),
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'$n_checked' => $n_checked,
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'$f_text' => t('Event Finishes:'),
'$f_dsel' => datetimesel($f,new DateTime(),DateTime::createFromFormat('Y',$fyear+5),DateTime::createFromFormat('Y-m-d H:i',"$fyear-$fmonth-$fday $fhour:$fminute"),t('Event Finishes:'),'finish_text',true,true,'start_text'),
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'$a_text' => t('Adjust for viewer timezone'),
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'$a_checked' => $a_checked,
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'$d_text' => t('Description:'),
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'$d_orig' => $d_orig,
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'$l_text' => t('Location:'),
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'$l_orig' => $l_orig,
'$t_text' => t('Title:') . ' <span class="required" title="' . t('Required') . '">*</span>',
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'$t_orig' => $t_orig,
'$summary' => array('summary', t('Title:'), $t_orig, '', '*'),
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'$sh_text' => t('Share this event'),
'$share' => array('share', t('Share this event'), $sh_checked, ''),
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'$sh_checked' => $sh_checked,
'$nofinish' => array('nofinish', t('Finish date/time is not known or not relevant'), $n_checked),
'$adjust' => array('adjust', t('Adjust for viewer timezone'), $a_checked),
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'$preview' => t('Preview'),
'$acl' => $acl,
'$submit' => t('Submit'),
'$basic' => t("Basic"),
'$advanced' => t("Advanced"),
'$permissions' => t('Permissions'),
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));
return $o;
}
}