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<?php
// two-level sort for timezones.
if(! function_exists('timezone_cmp')) {
function timezone_cmp($a, $b) {
if(strstr($a,'/') && strstr($b,'/')) {
if ( t($a) == t($b)) return 0;
return ( t($a) < t($b)) ? -1 : 1;
}
if(strstr($a,'/')) return -1;
if(strstr($b,'/')) return 1;
if ( t($a) == t($b)) return 0;
return ( t($a) < t($b)) ? -1 : 1;
}}
// emit a timezone selector grouped (primarily) by continent
if(! function_exists('select_timezone')) {
function select_timezone($current = 'America/Los_Angeles') {
$timezone_identifiers = DateTimeZone::listIdentifiers();
$o ='<select id="timezone_select" name="timezone">';
usort($timezone_identifiers, 'timezone_cmp');
$continent = '';
foreach($timezone_identifiers as $value) {
$ex = explode("/", $value);
if(count($ex) > 1) {
if($ex[0] != $continent) {
if($continent != '')
$o .= '</optgroup>';
$continent = $ex[0];
$o .= '<optgroup label="' . t($continent) . '">';
}
if(count($ex) > 2)
$city = substr($value,strpos($value,'/')+1);
else
$city = $ex[1];
}
else {
$city = $ex[0];
if($continent != t('Miscellaneous')) {
$o .= '</optgroup>';
$continent = t('Miscellaneous');
$o .= '<optgroup label="' . t($continent) . '">';
}
}
$city = str_replace('_', ' ', t($city));
$selected = (($value == $current) ? " selected=\"selected\" " : "");
$o .= "<option value=\"$value\" $selected >$city</option>";
}
$o .= '</optgroup></select>';
return $o;
}}
// return a select using 'field_select_raw' template, with timezones
// groupped (primarily) by continent
// arguments follow convetion as other field_* template array:
// 'name', 'label', $value, 'help'
if (!function_exists('field_timezone')){
function field_timezone($name='timezone', $label='', $current = 'America/Los_Angeles', $help){
$options = select_timezone($current);
$options = str_replace('<select id="timezone_select" name="timezone">','', $options);
$options = str_replace('</select>','', $options);
$tpl = get_markup_template('field_select_raw.tpl');
return replace_macros($tpl, array(
'$field' => array($name, $label, $current, $help, $options),
));
}}
// General purpose date parse/convert function.
// $from = source timezone
// $to = dest timezone
// $s = some parseable date/time string
// $fmt = output format
if(! function_exists('datetime_convert')) {
function datetime_convert($from = 'UTC', $to = 'UTC', $s = 'now', $fmt = "Y-m-d H:i:s") {
// Defaults to UTC if nothing is set, but throws an exception if set to empty string.
// Provide some sane defaults regardless.
if($from === '')
$from = 'UTC';
if($to === '')
$to = 'UTC';
if( ($s === '') || (! is_string($s)) )
$s = 'now';
// Slight hackish adjustment so that 'zero' datetime actually returns what is intended
// otherwise we end up with -0001-11-30 ...
// add 32 days so that we at least get year 00, and then hack around the fact that
// months and days always start with 1.
if(substr($s,0,10) == '0000-00-00') {
$d = new DateTime($s . ' + 32 days', new DateTimeZone('UTC'));
return str_replace('1','0',$d->format($fmt));
}
try {
$from_obj = new DateTimeZone($from);
}
catch(Exception $e) {
$from_obj = new DateTimeZone('UTC');
}
try {
$d = new DateTime($s, $from_obj);
}
catch(Exception $e) {
logger('datetime_convert: exception: ' . $e->getMessage());
$d = new DateTime('now', $from_obj);
}
try {
$to_obj = new DateTimeZone($to);
}
catch(Exception $e) {
$to_obj = new DateTimeZone('UTC');
}
$d->setTimeZone($to_obj);
return($d->format($fmt));
}}
// wrapper for date selector, tailored for use in birthday fields
function dob($dob) {
list($year,$month,$day) = sscanf($dob,'%4d-%2d-%2d');
$y = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
$f = get_config('system','birthday_input_format');
if(! $f)
$f = 'ymd';
$o = datesel($f,'',1920,$y,true,$year,$month,$day);
return $o;
}
function datesel_format($f) {
$o = '';
if(strlen($f)) {
for($x = 0; $x < strlen($f); $x ++) {
switch($f[$x]) {
case 'y':
if(strlen($o))
$o .= '-';
$o .= t('year');
break;
case 'm':
if(strlen($o))
$o .= '-';
$o .= t('month');
break;
case 'd':
if(strlen($o))
$o .= '-';
$o .= t('day');
break;
default:
break;
}
}
}
return $o;
}
// returns a date selector.
// $f = format string, e.g. 'ymd' or 'mdy'
// $pre = prefix (if needed) for HTML name and class fields
// $ymin = first year shown in selector dropdown
// $ymax = last year shown in selector dropdown
// $allow_blank = allow an empty response on any field
// $y = already selected year
// $m = already selected month
// $d = already selected day
if(! function_exists('datesel')) {
function datesel($f,$pre,$ymin,$ymax,$allow_blank,$y,$m,$d) {
$o = '';
if(strlen($f)) {
for($z = 0; $z < strlen($f); $z ++) {
if($f[$z] === 'y') {
$o .= "<select name=\"{$pre}year\" class=\"{$pre}year\" size=\"1\">";
if($allow_blank) {
$sel = (($y == '0000') ? " selected=\"selected\" " : "");
$o .= "<option value=\"0000\" $sel ></option>";
}
if($ymax > $ymin) {
for($x = $ymax; $x >= $ymin; $x --) {
$sel = (($x == $y) ? " selected=\"selected\" " : "");
$o .= "<option value=\"$x\" $sel>$x</option>";
}
}
else {
for($x = $ymax; $x <= $ymin; $x ++) {
$sel = (($x == $y) ? " selected=\"selected\" " : "");
$o .= "<option value=\"$x\" $sel>$x</option>";
}
}
}
elseif($f[$z] == 'm') {
$o .= "</select> <select name=\"{$pre}month\" class=\"{$pre}month\" size=\"1\">";
for($x = (($allow_blank) ? 0 : 1); $x <= 12; $x ++) {
$sel = (($x == $m) ? " selected=\"selected\" " : "");
$y = (($x) ? $x : '');
$o .= "<option value=\"$x\" $sel>$y</option>";
}
}
elseif($f[$z] == 'd') {
$o .= "</select> <select name=\"{$pre}day\" class=\"{$pre}day\" size=\"1\">";
for($x = (($allow_blank) ? 0 : 1); $x <= 31; $x ++) {
$sel = (($x == $d) ? " selected=\"selected\" " : "");
$y = (($x) ? $x : '');
$o .= "<option value=\"$x\" $sel>$y</option>";
}
}
}
}
$o .= "</select>";
return $o;
}}
if(! function_exists('timesel')) {
function timesel($pre,$h,$m) {
$o = '';
$o .= "<select name=\"{$pre}hour\" class=\"{$pre}hour\" size=\"1\">";
for($x = 0; $x < 24; $x ++) {
$sel = (($x == $h) ? " selected=\"selected\" " : "");
$o .= "<option value=\"$x\" $sel>$x</option>";
}
$o .= "</select> : <select name=\"{$pre}minute\" class=\"{$pre}minute\" size=\"1\">";
for($x = 0; $x < 60; $x ++) {
$sel = (($x == $m) ? " selected=\"selected\" " : "");
$o .= "<option value=\"$x\" $sel>$x</option>";
}
$o .= "</select>";
return $o;
}}
// implements "3 seconds ago" etc.
// based on $posted_date, (UTC).
// Results relative to current timezone
// Limited to range of timestamps
if(! function_exists('relative_date')) {
function relative_date($posted_date,$format = null) {
$localtime = datetime_convert('UTC',date_default_timezone_get(),$posted_date);
$abs = strtotime($localtime);
if (is_null($posted_date) || $posted_date === '0000-00-00 00:00:00' || $abs === False) {
return t('never');
}
$etime = time() - $abs;
if ($etime < 1) {
return t('less than a second ago');
}
$a = array( 12 * 30 * 24 * 60 * 60 => array( t('year'), t('years')),
30 * 24 * 60 * 60 => array( t('month'), t('months')),
7 * 24 * 60 * 60 => array( t('week'), t('weeks')),
24 * 60 * 60 => array( t('day'), t('days')),
60 * 60 => array( t('hour'), t('hours')),
60 => array( t('minute'), t('minutes')),
1 => array( t('second'), t('seconds'))
);
foreach ($a as $secs => $str) {
$d = $etime / $secs;
if ($d >= 1) {
$r = round($d);
// translators - e.g. 22 hours ago, 1 minute ago
if(! $format)
$format = t('%1$d %2$s ago');
return sprintf( $format,$r, (($r == 1) ? $str[0] : $str[1]));
}
}
}}
// Returns age in years, given a date of birth,
// the timezone of the person whose date of birth is provided,
// and the timezone of the person viewing the result.
// Why? Bear with me. Let's say I live in Mittagong, Australia, and my
// birthday is on New Year's. You live in San Bruno, California.
// When exactly are you going to see my age increase?
// A: 5:00 AM Dec 31 San Bruno time. That's precisely when I start
// celebrating and become a year older. If you wish me happy birthday
// on January 1 (San Bruno time), you'll be a day late.
function age($dob,$owner_tz = '',$viewer_tz = '') {
if(! intval($dob))
return 0;
if(! $owner_tz)
$owner_tz = date_default_timezone_get();
if(! $viewer_tz)
$viewer_tz = date_default_timezone_get();
$birthdate = datetime_convert('UTC',$owner_tz,$dob . ' 00:00:00+00:00','Y-m-d');
list($year,$month,$day) = explode("-",$birthdate);
$year_diff = datetime_convert('UTC',$viewer_tz,'now','Y') - $year;
$curr_month = datetime_convert('UTC',$viewer_tz,'now','m');
$curr_day = datetime_convert('UTC',$viewer_tz,'now','d');
if(($curr_month < $month) || (($curr_month == $month) && ($curr_day < $day)))
$year_diff--;
return $year_diff;
}
// Get days in month
// get_dim($year, $month);
// returns number of days.
// $month[1] = 'January';
// to match human usage.
if(! function_exists('get_dim')) {
function get_dim($y,$m) {
$dim = array( 0,
31, 28, 31, 30, 31, 30,
31, 31, 30, 31, 30, 31);
if($m != 2)
return $dim[$m];
if(((($y % 4) == 0) && (($y % 100) != 0)) || (($y % 400) == 0))
return 29;
return $dim[2];
}}
// Returns the first day in month for a given month, year
// get_first_dim($year,$month)
// returns 0 = Sunday through 6 = Saturday
// Months start at 1.
if(! function_exists('get_first_dim')) {
function get_first_dim($y,$m) {
$d = sprintf('%04d-%02d-01 00:00', intval($y), intval($m));
return datetime_convert('UTC','UTC',$d,'w');
}}
// output a calendar for the given month, year.
// if $links are provided (array), e.g. $links[12] => 'http://mylink' ,
// date 12 will be linked appropriately. Today's date is also noted by
// altering td class.
// Months count from 1.
// TODO: provide (prev,next) links, define class variations for different size calendars
if(! function_exists('cal')) {
function cal($y = 0,$m = 0, $links = false, $class='') {
// month table - start at 1 to match human usage.
$mtab = array(' ',
'January','February','March',
'April','May','June',
'July','August','September',
'October','November','December'
);
$thisyear = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
$thismonth = datetime_convert('UTC',date_default_timezone_get(),'now','m');
if(! $y)
$y = $thisyear;
if(! $m)
$m = intval($thismonth);
$dn = array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');
$f = get_first_dim($y,$m);
$l = get_dim($y,$m);
$d = 1;
$dow = 0;
$started = false;
if(($y == $thisyear) && ($m == $thismonth))
$tddate = intval(datetime_convert('UTC',date_default_timezone_get(),'now','j'));
$str_month = day_translate($mtab[$m]);
$o = '<table class="calendar' . $class . '">';
$o .= "<caption>$str_month $y</caption><tr>";
for($a = 0; $a < 7; $a ++)
$o .= '<th>' . mb_substr(day_translate($dn[$a]),0,3,'UTF-8') . '</th>';
$o .= '</tr><tr>';
while($d <= $l) {
if(($dow == $f) && (! $started))
$started = true;
$today = (((isset($tddate)) && ($tddate == $d)) ? "class=\"today\" " : '');
$o .= "<td $today>";
$day = str_replace(' ','&nbsp;',sprintf('%2.2d', $d));
if($started) {
if(is_array($links) && isset($links[$d]))
$o .= "<a href=\"{$links[$d]}\">$day</a>";
else
$o .= $day;
$d ++;
}
else
$o .= '&nbsp;';
$o .= '</td>';
$dow ++;
if(($dow == 7) && ($d <= $l)) {
$dow = 0;
$o .= '</tr><tr>';
}
}
if($dow)
for($a = $dow; $a < 7; $a ++)
$o .= '<td>&nbsp;</td>';
$o .= '</tr></table>'."\r\n";
return $o;
}}
function update_contact_birthdays() {
// This only handles foreign or alien networks where a birthday has been provided.
// In-network birthdays are handled within local_delivery
$r = q("SELECT * FROM contact WHERE `bd` != '' AND `bd` != '0000-00-00' AND SUBSTRING(`bd`,1,4) != `bdyear` ");
if(count($r)) {
foreach($r as $rr) {
logger('update_contact_birthday: ' . $rr['bd']);
$nextbd = datetime_convert('UTC','UTC','now','Y') . substr($rr['bd'],4);
/**
*
* Add new birthday event for this person
*
* $bdtext is just a readable placeholder in case the event is shared
* with others. We will replace it during presentation to our $importer
* to contain a sparkle link and perhaps a photo.
*
*/
$bdtext = sprintf( t('%s\'s birthday'), $rr['name']);
$bdtext2 = sprintf( t('Happy Birthday %s'), ' [url=' . $rr['url'] . ']' . $rr['name'] . '[/url]') ;
$r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`,`adjust`)
VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%d' ) ",
intval($rr['uid']),
intval($rr['id']),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
dbesc(datetime_convert('UTC','UTC', $nextbd)),
dbesc(datetime_convert('UTC','UTC', $nextbd . ' + 1 day ')),
dbesc($bdtext),
dbesc($bdtext2),
dbesc('birthday'),
intval(0)
);
// update bdyear
q("UPDATE `contact` SET `bdyear` = '%s', `bd` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
dbesc(substr($nextbd,0,4)),
dbesc($nextbd),
intval($rr['uid']),
intval($rr['id'])
);
}
}
}
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