3 // two-level sort for timezones.
5 if(! function_exists('timezone_cmp')) {
6 function timezone_cmp($a, $b) {
7 if(strstr($a,'/') && strstr($b,'/')) {
8 if ( t($a) == t($b)) return 0;
9 return ( t($a) < t($b)) ? -1 : 1;
11 if(strstr($a,'/')) return -1;
12 if(strstr($b,'/')) return 1;
13 if ( t($a) == t($b)) return 0;
14 return ( t($a) < t($b)) ? -1 : 1;
17 // emit a timezone selector grouped (primarily) by continent
18 if(! function_exists('select_timezone')) {
19 function select_timezone($current = 'America/Los_Angeles') {
21 $timezone_identifiers = DateTimeZone::listIdentifiers();
23 $o ='<select id="timezone_select" name="timezone">';
25 usort($timezone_identifiers, 'timezone_cmp');
27 foreach($timezone_identifiers as $value) {
28 $ex = explode("/", $value);
30 if($ex[0] != $continent) {
34 $o .= '<optgroup label="' . t($continent) . '">';
37 $city = substr($value,strpos($value,'/')+1);
43 if($continent != t('Miscellaneous')) {
45 $continent = t('Miscellaneous');
46 $o .= '<optgroup label="' . t($continent) . '">';
49 $city = str_replace('_', ' ', t($city));
50 $selected = (($value == $current) ? " selected=\"selected\" " : "");
51 $o .= "<option value=\"$value\" $selected >$city</option>";
53 $o .= '</optgroup></select>';
57 // return a select using 'field_select_raw' template, with timezones
58 // groupped (primarily) by continent
59 // arguments follow convetion as other field_* template array:
60 // 'name', 'label', $value, 'help'
61 if (!function_exists('field_timezone')){
62 function field_timezone($name='timezone', $label='', $current = 'America/Los_Angeles', $help){
63 $options = select_timezone($current);
64 $options = str_replace('<select id="timezone_select" name="timezone">','', $options);
65 $options = str_replace('</select>','', $options);
67 $tpl = get_markup_template('field_select_raw.tpl');
68 return replace_macros($tpl, array(
69 '$field' => array($name, $label, $current, $help, $options),
74 // General purpose date parse/convert function.
75 // $from = source timezone
76 // $to = dest timezone
77 // $s = some parseable date/time string
78 // $fmt = output format
80 if(! function_exists('datetime_convert')) {
81 function datetime_convert($from = 'UTC', $to = 'UTC', $s = 'now', $fmt = "Y-m-d H:i:s") {
83 // Defaults to UTC if nothing is set, but throws an exception if set to empty string.
84 // Provide some sane defaults regardless.
90 if( ($s === '') || (! is_string($s)) )
93 // Slight hackish adjustment so that 'zero' datetime actually returns what is intended
94 // otherwise we end up with -0001-11-30 ...
95 // add 32 days so that we at least get year 00, and then hack around the fact that
96 // months and days always start with 1.
98 if(substr($s,0,10) == '0000-00-00') {
99 $d = new DateTime($s . ' + 32 days', new DateTimeZone('UTC'));
100 return str_replace('1','0',$d->format($fmt));
104 $from_obj = new DateTimeZone($from);
106 catch(Exception $e) {
107 $from_obj = new DateTimeZone('UTC');
111 $d = new DateTime($s, $from_obj);
113 catch(Exception $e) {
114 logger('datetime_convert: exception: ' . $e->getMessage());
115 $d = new DateTime('now', $from_obj);
119 $to_obj = new DateTimeZone($to);
121 catch(Exception $e) {
122 $to_obj = new DateTimeZone('UTC');
125 $d->setTimeZone($to_obj);
126 return($d->format($fmt));
130 // wrapper for date selector, tailored for use in birthday fields
133 list($year,$month,$day) = sscanf($dob,'%4d-%2d-%2d');
134 $y = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
135 $f = get_config('system','birthday_input_format');
138 $o = datesel($f,'',1920,$y,true,$year,$month,$day);
143 function datesel_format($f) {
148 for($x = 0; $x < strlen($f); $x ++) {
174 // returns a date selector.
175 // $f = format string, e.g. 'ymd' or 'mdy'
176 // $pre = prefix (if needed) for HTML name and class fields
177 // $ymin = first year shown in selector dropdown
178 // $ymax = last year shown in selector dropdown
179 // $allow_blank = allow an empty response on any field
180 // $y = already selected year
181 // $m = already selected month
182 // $d = already selected day
184 if(! function_exists('datesel')) {
185 function datesel($f,$pre,$ymin,$ymax,$allow_blank,$y,$m,$d) {
190 for($z = 0; $z < strlen($f); $z ++) {
193 $o .= "<select name=\"{$pre}year\" class=\"{$pre}year\" size=\"1\">";
195 $sel = (($y == '0000') ? " selected=\"selected\" " : "");
196 $o .= "<option value=\"0000\" $sel ></option>";
200 for($x = $ymax; $x >= $ymin; $x --) {
201 $sel = (($x == $y) ? " selected=\"selected\" " : "");
202 $o .= "<option value=\"$x\" $sel>$x</option>";
206 for($x = $ymax; $x <= $ymin; $x ++) {
207 $sel = (($x == $y) ? " selected=\"selected\" " : "");
208 $o .= "<option value=\"$x\" $sel>$x</option>";
212 elseif($f[$z] == 'm') {
214 $o .= "</select> <select name=\"{$pre}month\" class=\"{$pre}month\" size=\"1\">";
215 for($x = (($allow_blank) ? 0 : 1); $x <= 12; $x ++) {
216 $sel = (($x == $m) ? " selected=\"selected\" " : "");
217 $y = (($x) ? $x : '');
218 $o .= "<option value=\"$x\" $sel>$y</option>";
221 elseif($f[$z] == 'd') {
223 $o .= "</select> <select name=\"{$pre}day\" class=\"{$pre}day\" size=\"1\">";
224 for($x = (($allow_blank) ? 0 : 1); $x <= 31; $x ++) {
225 $sel = (($x == $d) ? " selected=\"selected\" " : "");
226 $y = (($x) ? $x : '');
227 $o .= "<option value=\"$x\" $sel>$y</option>";
237 if(! function_exists('timesel')) {
238 function timesel($pre,$h,$m) {
241 $o .= "<select name=\"{$pre}hour\" class=\"{$pre}hour\" size=\"1\">";
242 for($x = 0; $x < 24; $x ++) {
243 $sel = (($x == $h) ? " selected=\"selected\" " : "");
244 $o .= "<option value=\"$x\" $sel>$x</option>";
246 $o .= "</select> : <select name=\"{$pre}minute\" class=\"{$pre}minute\" size=\"1\">";
247 for($x = 0; $x < 60; $x ++) {
248 $sel = (($x == $m) ? " selected=\"selected\" " : "");
249 $o .= "<option value=\"$x\" $sel>$x</option>";
263 // implements "3 seconds ago" etc.
264 // based on $posted_date, (UTC).
265 // Results relative to current timezone
266 // Limited to range of timestamps
268 if(! function_exists('relative_date')) {
269 function relative_date($posted_date,$format = null) {
271 $localtime = datetime_convert('UTC',date_default_timezone_get(),$posted_date);
273 $abs = strtotime($localtime);
275 if (is_null($posted_date) || $posted_date === '0000-00-00 00:00:00' || $abs === False) {
279 $etime = time() - $abs;
282 return t('less than a second ago');
285 $a = array( 12 * 30 * 24 * 60 * 60 => array( t('year'), t('years')),
286 30 * 24 * 60 * 60 => array( t('month'), t('months')),
287 7 * 24 * 60 * 60 => array( t('week'), t('weeks')),
288 24 * 60 * 60 => array( t('day'), t('days')),
289 60 * 60 => array( t('hour'), t('hours')),
290 60 => array( t('minute'), t('minutes')),
291 1 => array( t('second'), t('seconds'))
294 foreach ($a as $secs => $str) {
298 // translators - e.g. 22 hours ago, 1 minute ago
300 $format = t('%1$d %2$s ago');
301 return sprintf( $format,$r, (($r == 1) ? $str[0] : $str[1]));
308 // Returns age in years, given a date of birth,
309 // the timezone of the person whose date of birth is provided,
310 // and the timezone of the person viewing the result.
311 // Why? Bear with me. Let's say I live in Mittagong, Australia, and my
312 // birthday is on New Year's. You live in San Bruno, California.
313 // When exactly are you going to see my age increase?
314 // A: 5:00 AM Dec 31 San Bruno time. That's precisely when I start
315 // celebrating and become a year older. If you wish me happy birthday
316 // on January 1 (San Bruno time), you'll be a day late.
318 function age($dob,$owner_tz = '',$viewer_tz = '') {
322 $owner_tz = date_default_timezone_get();
324 $viewer_tz = date_default_timezone_get();
326 $birthdate = datetime_convert('UTC',$owner_tz,$dob . ' 00:00:00+00:00','Y-m-d');
327 list($year,$month,$day) = explode("-",$birthdate);
328 $year_diff = datetime_convert('UTC',$viewer_tz,'now','Y') - $year;
329 $curr_month = datetime_convert('UTC',$viewer_tz,'now','m');
330 $curr_day = datetime_convert('UTC',$viewer_tz,'now','d');
332 if(($curr_month < $month) || (($curr_month == $month) && ($curr_day < $day)))
340 // get_dim($year, $month);
341 // returns number of days.
342 // $month[1] = 'January';
343 // to match human usage.
345 if(! function_exists('get_dim')) {
346 function get_dim($y,$m) {
349 31, 28, 31, 30, 31, 30,
350 31, 31, 30, 31, 30, 31);
354 if(((($y % 4) == 0) && (($y % 100) != 0)) || (($y % 400) == 0))
360 // Returns the first day in month for a given month, year
361 // get_first_dim($year,$month)
362 // returns 0 = Sunday through 6 = Saturday
363 // Months start at 1.
365 if(! function_exists('get_first_dim')) {
366 function get_first_dim($y,$m) {
367 $d = sprintf('%04d-%02d-01 00:00', intval($y), intval($m));
368 return datetime_convert('UTC','UTC',$d,'w');
371 // output a calendar for the given month, year.
372 // if $links are provided (array), e.g. $links[12] => 'http://mylink' ,
373 // date 12 will be linked appropriately. Today's date is also noted by
374 // altering td class.
375 // Months count from 1.
378 // TODO: provide (prev,next) links, define class variations for different size calendars
381 if(! function_exists('cal')) {
382 function cal($y = 0,$m = 0, $links = false, $class='') {
385 // month table - start at 1 to match human usage.
388 'January','February','March',
389 'April','May','June',
390 'July','August','September',
391 'October','November','December'
394 $thisyear = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
395 $thismonth = datetime_convert('UTC',date_default_timezone_get(),'now','m');
399 $m = intval($thismonth);
401 $dn = array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');
402 $f = get_first_dim($y,$m);
408 if(($y == $thisyear) && ($m == $thismonth))
409 $tddate = intval(datetime_convert('UTC',date_default_timezone_get(),'now','j'));
411 $str_month = day_translate($mtab[$m]);
412 $o = '<table class="calendar' . $class . '">';
413 $o .= "<caption>$str_month $y</caption><tr>";
414 for($a = 0; $a < 7; $a ++)
415 $o .= '<th>' . mb_substr(day_translate($dn[$a]),0,3,'UTF-8') . '</th>';
419 if(($dow == $f) && (! $started))
421 $today = (((isset($tddate)) && ($tddate == $d)) ? "class=\"today\" " : '');
423 $day = str_replace(' ',' ',sprintf('%2.2d', $d));
425 if(is_array($links) && isset($links[$d]))
426 $o .= "<a href=\"{$links[$d]}\">$day</a>";
435 if(($dow == 7) && ($d <= $l)) {
441 for($a = $dow; $a < 7; $a ++)
442 $o .= '<td> </td>';
443 $o .= '</tr></table>'."\r\n";
449 function update_contact_birthdays() {
451 // This only handles foreign or alien networks where a birthday has been provided.
452 // In-network birthdays are handled within local_delivery
454 $r = q("SELECT * FROM contact WHERE `bd` != '' AND `bd` != '0000-00-00' AND SUBSTRING(`bd`,1,4) != `bdyear` ");
458 logger('update_contact_birthday: ' . $rr['bd']);
460 $nextbd = datetime_convert('UTC','UTC','now','Y') . substr($rr['bd'],4);
464 * Add new birthday event for this person
466 * $bdtext is just a readable placeholder in case the event is shared
467 * with others. We will replace it during presentation to our $importer
468 * to contain a sparkle link and perhaps a photo.
472 $bdtext = sprintf( t('%s\'s birthday'), $rr['name']);
473 $bdtext2 = sprintf( t('Happy Birthday %s'), ' [url=' . $rr['url'] . ']' . $rr['name'] . '[/url]') ;
477 $r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`,`adjust`)
478 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%d' ) ",
481 dbesc(datetime_convert()),
482 dbesc(datetime_convert()),
483 dbesc(datetime_convert('UTC','UTC', $nextbd)),
484 dbesc(datetime_convert('UTC','UTC', $nextbd . ' + 1 day ')),
494 q("UPDATE `contact` SET `bdyear` = '%s', `bd` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
495 dbesc(substr($nextbd,0,4)),