1) {
$continent = t($ex[0]);
if(count($ex) > 2)
$city = substr($value,strpos($value,'/')+1);
else
$city = $ex[1];
}
else {
$city = $ex[0];
$continent = t('Miscellaneous');
}
$city = str_replace('_', ' ', t($city));
if(!x($continents,$ex[0])) $continents[$ex[0]] = array();
$continents[$continent][$value] = $city;
}
return $continents;
}
// General purpose date parse/convert function.
// $from = source timezone
// $to = dest timezone
// $s = some parseable date/time string
// $fmt = output format
function datetime_convert($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');
$f = get_config('system','birthday_input_format');
if(! $f)
$f = 'ymd';
if($dob === '0000-00-00')
$value = '';
else
$value = (($year) ? datetime_convert('UTC','UTC',$dob,'Y-m-d') : datetime_convert('UTC','UTC',$dob,'m-d'));
$o = '';
// if ($dob && $dob != '0000-00-00')
// $o = datesel($f,mktime(0,0,0,0,0,1900),mktime(),mktime(0,0,0,$month,$day,$year),'dob');
// else
// $o = datesel($f,mktime(0,0,0,0,0,1900),mktime(),false,'dob');
return $o;
}
/**
* returns a date selector
* @param $format
* format string, e.g. 'ymd' or 'mdy'. Not currently supported
* @param $min
* unix timestamp of minimum date
* @param $max
* unix timestap of maximum date
* @param $default
* unix timestamp of default date
* @param $id
* id and name of datetimepicker (defaults to "datetimepicker")
*/
function datesel($format, $min, $max, $default, $id = 'datepicker') {
return datetimesel($format,$min,$max,$default,$id,true,false, '','');
}
/**
* returns a time selector
* @param $format
* format string, e.g. 'ymd' or 'mdy'. Not currently supported
* @param $h
* already selected hour
* @param $m
* already selected minute
* @param $id
* id and name of datetimepicker (defaults to "timepicker")
*/
function timesel($format, $h, $m, $id='timepicker') {
return datetimesel($format,new DateTime(),new DateTime(),new DateTime("$h:$m"),$id,false,true);
}
/**
* returns a datetime selector
* @param $format
* format string, e.g. 'ymd' or 'mdy'. Not currently supported
* @param $min
* unix timestamp of minimum date
* @param $max
* unix timestap of maximum date
* @param $default
* unix timestamp of default date
* @param $id
* id and name of datetimepicker (defaults to "datetimepicker")
* @param $pickdate
* true to show date picker (default)
* @param $picktime
* true to show time picker (default)
* @param $minfrom
* set minimum date from picker with id $minfrom (none by default)
* @param $maxfrom
* set maximum date from picker with id $maxfrom (none by default)
*/
function datetimesel($format, $min, $max, $default, $id = 'datetimepicker', $pickdate = true, $picktime = true, $minfrom = '', $maxfrom = '',$required = false) {
// Once browser support is better this could probably be replaced with native HTML5 date picker
$o = '';
$dateformat = '';
if($pickdate) $dateformat .= 'Y-m-d';
if($pickdate && $picktime) $dateformat .= ' ';
if($picktime) $dateformat .= 'H:i';
$minjs = $min ? ",minDate: new Date({$min->getTimestamp()}*1000), yearStart: " . $min->format('Y') : '';
$maxjs = $max ? ",maxDate: new Date({$max->getTimestamp()}*1000), yearEnd: " . $max->format('Y') : '';
$input_text = $default ? 'value="' . date($dateformat, $default->getTimestamp()) . '"' : '';
$defaultdatejs = $default ? ",defaultDate: new Date({$default->getTimestamp()}*1000)" : '';
$pickers = '';
if(!$pickdate) $pickers .= ',datepicker: false';
if(!$picktime) $pickers .= ',timepicker: false';
$extra_js = '';
if($minfrom != '')
$extra_js .= "\$('#$minfrom').data('xdsoft_datetimepicker').setOptions({onChangeDateTime: function (currentDateTime) { \$('#$id').data('xdsoft_datetimepicker').setOptions({minDate: currentDateTime})}})";
if($maxfrom != '')
$extra_js .= "\$('#$maxfrom').data('xdsoft_datetimepicker').setOptions({onChangeDateTime: function (currentDateTime) { \$('#$id').data('xdsoft_datetimepicker').setOptions({maxDate: currentDateTime})}})";
$readable_format = $dateformat;
$readable_format = str_replace('Y','yyyy',$readable_format);
$readable_format = str_replace('m','mm',$readable_format);
$readable_format = str_replace('d','dd',$readable_format);
$readable_format = str_replace('H','HH',$readable_format);
$readable_format = str_replace('i','MM',$readable_format);
$o .= "
";
$o .= (($required) ? '*' : '');
$o .= '
';
$o .= "";
return $o;
}
// implements "3 seconds ago" etc.
// based on $posted_date, (UTC).
// Results relative to current timezone
// Limited to range of timestamps
function relative_date($posted_date,$format = null) {
$localtime = datetime_convert('UTC',date_default_timezone_get(),$posted_date);
$abs = strtotime($localtime);
if (is_null($posted_date) || $posted_date === NULL_DATE || $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.
// $month[1] = 'January';
// to match human usage.
function get_dim($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,$month)
// returns 0 = Sunday through 6 = Saturday
// Months start at 1.
function get_first_dim($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. $links[12] => 'http://mylink' ,
// date 12 will be linked appropriately. Today's date is also noted by
// altering td class.
// Months count from 1.
// TODO: provide (prev,next) links, define class variations for different size calendars
function cal($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 = '