536 lines
15 KiB
PHP
536 lines
15 KiB
PHP
<?php
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/**
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* @file include/datetime.php
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* @brief Some functions for date and time related tasks.
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*/
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/**
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* @brief Two-level sort for timezones.
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*
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* Can be used in usort() to sort timezones.
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*
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* @param string $a
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* @param string $b
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* @return number
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*/
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function timezone_cmp($a, $b) {
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if(strstr($a,'/') && strstr($b,'/')) {
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if ( t($a) == t($b)) return 0;
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return ( t($a) < t($b)) ? -1 : 1;
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}
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if (strstr($a,'/')) return -1;
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if (strstr($b,'/')) return 1;
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if ( t($a) == t($b)) return 0;
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return ( t($a) < t($b)) ? -1 : 1;
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}
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function is_null_date($s) {
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if($s === '0000-00-00 00:00:00' || $s === '0001-01-01 00:00:00')
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return true;
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return false;
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}
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/**
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* @brief Return timezones grouped (primarily) by continent.
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*
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* @see timezone_cmp()
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* @return array
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*/
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function get_timezones( ){
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$timezone_identifiers = DateTimeZone::listIdentifiers();
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usort($timezone_identifiers, 'timezone_cmp');
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$continent = '';
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$continents = array();
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foreach ($timezone_identifiers as $value) {
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$ex = explode("/", $value);
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if (count($ex) > 1) {
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$continent = t($ex[0]);
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if (count($ex) > 2)
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$city = substr($value, strpos($value, '/')+1);
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else
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$city = $ex[1];
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} else {
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$city = $ex[0];
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$continent = t('Miscellaneous');
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}
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$city = str_replace('_', ' ', t($city));
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if (!x($continents, $ex[0])) $continents[$ex[0]] = array();
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$continents[$continent][$value] = $city;
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}
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return $continents;
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}
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/**
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* @brief General purpose date parse/convert function.
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*
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* @param string $from source timezone
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* @param string $to dest timezone
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* @param string $s some parseable date/time string
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* @param string $fmt output format recognised from php's DateTime class
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* http://www.php.net/manual/en/datetime.format.php
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* @return string
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*/
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function datetime_convert($from = 'UTC', $to = 'UTC', $s = 'now', $fmt = "Y-m-d H:i:s") {
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// Defaults to UTC if nothing is set, but throws an exception if set to empty string.
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// Provide some sane defaults regardless.
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if($from === '')
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$from = 'UTC';
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if($to === '')
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$to = 'UTC';
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if( ($s === '') || (! is_string($s)) )
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$s = 'now';
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if(is_null_date($s)) {
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$d = new DateTime('0001-01-01 00:00:00', new DateTimeZone('UTC'));
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return $d->format($fmt);
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}
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try {
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$from_obj = new DateTimeZone($from);
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} catch(Exception $e) {
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$from_obj = new DateTimeZone('UTC');
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}
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try {
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$d = new DateTime($s, $from_obj);
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} catch(Exception $e) {
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logger('exception: ' . $e->getMessage());
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$d = new DateTime('now', $from_obj);
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}
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try {
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$to_obj = new DateTimeZone($to);
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} catch(Exception $e) {
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$to_obj = new DateTimeZone('UTC');
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}
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$d->setTimeZone($to_obj);
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return($d->format($fmt));
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}
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/**
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* @brief Wrapper for date selector, tailored for use in birthday fields.
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*
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* @param string $dob Date of Birth
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* @return string Parsed HTML with selector
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*/
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function dob($dob) {
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$y = substr($dob,0,4);
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if((! ctype_digit($y)) || ($y < 1900))
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$ignore_year = true;
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else
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$ignore_year = false;
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if ($dob === '0000-00-00' || $dob === '')
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$value = '';
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else
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$value = (($ignore_year) ? datetime_convert('UTC','UTC',$dob,'m-d') : datetime_convert('UTC','UTC',$dob,'Y-m-d'));
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$o = replace_macros(get_markup_template("field_input.tpl"), [
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'$field' => [ 'dob', t('Birthday'), $value, ((intval($value)) ? t('Age: ') . age($value,App::$user['timezone'],App::$user['timezone']) : ''), '', 'placeholder="' . t('YYYY-MM-DD or MM-DD') .'"' ]
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]);
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return $o;
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}
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/**
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* @brief Returns a datetime selector.
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*
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* @param string $format
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* format string, e.g. 'ymd' or 'mdy'. Not currently supported
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* @param DateTime $min
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* unix timestamp of minimum date
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* @param DateTime $max
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* unix timestap of maximum date
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* @param DateTime $default
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* unix timestamp of default date
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* @param string $label
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* @param string $id
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* id and name of datetimepicker (defaults to "datetimepicker")
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* @param boolean $pickdate
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* true to show date picker (default)
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* @param boolean $picktime
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* true to show time picker (default)
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* @param DateTime $minfrom
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* set minimum date from picker with id $minfrom (none by default)
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* @param DateTime $maxfrom
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* set maximum date from picker with id $maxfrom (none by default)
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* @param boolean $required default false
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* @param int $first_day (optional) default 0
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* @return string Parsed HTML output.
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*
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* @todo Once browser support is better this could probably be replaced with
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* native HTML5 date picker.
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*/
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function datetimesel($format, $min, $max, $default, $label, $id = 'datetimepicker', $pickdate = true, $picktime = true, $minfrom = '', $maxfrom = '', $required = false, $first_day = 0) {
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$o = '';
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$dateformat = '';
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if($pickdate) $dateformat .= 'Y-m-d';
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if($pickdate && $picktime) $dateformat .= ' ';
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if($picktime) $dateformat .= 'H:i';
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$minjs = $min->getTimestamp() ? ",minDate: new Date({$min->getTimestamp()}*1000), yearStart: " . $min->format('Y') : '';
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$maxjs = $max->getTimestamp() ? ",maxDate: new Date({$max->getTimestamp()}*1000), yearEnd: " . $max->format('Y') : '';
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$input_text = $default->getTimestamp() ? date($dateformat, $default->getTimestamp()) : '';
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$defaultdatejs = $default->getTimestamp() ? ",defaultDate: new Date({$default->getTimestamp()}*1000)" : '';
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$pickers = '';
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if(!$pickdate) $pickers .= ',datepicker: false';
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if(!$picktime) $pickers .= ',timepicker: false, closeOnDateSelect:true';
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$extra_js = '';
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if($minfrom != '')
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$extra_js .= "\$('#id_$minfrom').data('xdsoft_datetimepicker').setOptions({onChangeDateTime: function (currentDateTime) { \$('#id_$id').data('xdsoft_datetimepicker').setOptions({minDate: currentDateTime})}})";
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if($maxfrom != '')
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$extra_js .= "\$('#id_$maxfrom').data('xdsoft_datetimepicker').setOptions({onChangeDateTime: function (currentDateTime) { \$('#id_$id').data('xdsoft_datetimepicker').setOptions({maxDate: currentDateTime})}})";
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$readable_format = $dateformat;
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$readable_format = str_replace('Y','yyyy',$readable_format);
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$readable_format = str_replace('m','mm',$readable_format);
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$readable_format = str_replace('d','dd',$readable_format);
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$readable_format = str_replace('H','HH',$readable_format);
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$readable_format = str_replace('i','MM',$readable_format);
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$tpl = get_markup_template('field_input.tpl');
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$o .= replace_macros($tpl,array(
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'$field' => array($id, $label, $input_text, (($required) ? t('Required') : ''), (($required) ? '*' : ''), 'placeholder="' . $readable_format . '"'),
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));
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$o .= "<script>\$(function () {var picker = \$('#id_$id').datetimepicker({step:15,format:'$dateformat' $minjs $maxjs $pickers $defaultdatejs,dayOfWeekStart:$first_day}); $extra_js})</script>";
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return $o;
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}
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/**
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* @brief Returns a relative date string.
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*
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* Implements "3 seconds ago" etc.
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* Based on $posted_date, (UTC).
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* Results relative to current timezone.
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* Limited to range of timestamps.
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*
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* @param string $posted_date
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* @param string $format (optional) parsed with sprintf()
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* <tt>%1$d %2$s ago</tt>, e.g. 22 hours ago, 1 minute ago
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* @return string with relative date
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*/
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function relative_date($posted_date, $format = null) {
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$localtime = datetime_convert('UTC', date_default_timezone_get(), $posted_date);
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$abs = strtotime($localtime);
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if (is_null($posted_date) || is_null_date($posted_date) || $abs === false) {
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return t('never');
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}
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$etime = time() - $abs;
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if ($etime < 1) {
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return t('less than a second ago');
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}
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$a = array( 12 * 30 * 24 * 60 * 60 => 'y',
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30 * 24 * 60 * 60 => 'm',
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7 * 24 * 60 * 60 => 'w',
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24 * 60 * 60 => 'd',
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60 * 60 => 'h',
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60 => 'i',
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1 => 's'
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);
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foreach ($a as $secs => $str) {
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$d = $etime / $secs;
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if ($d >= 1) {
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$r = round($d);
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if (! $format)
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$format = t('%1$d %2$s ago', 'e.g. 22 hours ago, 1 minute ago');
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return sprintf($format, $r, plural_dates($str,$r));
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}
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}
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}
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function plural_dates($k,$n) {
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switch($k) {
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case 'y':
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return tt('year','years',$n,'relative_date');
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break;
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case 'm':
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return tt('month','months',$n,'relative_date');
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break;
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case 'w':
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return tt('week','weeks',$n,'relative_date');
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break;
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case 'd':
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return tt('day','days',$n,'relative_date');
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break;
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case 'h':
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return tt('hour','hours',$n,'relative_date');
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break;
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case 'i':
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return tt('minute','minutes',$n,'relative_date');
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break;
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case 's':
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return tt('second','seconds',$n,'relative_date');
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break;
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default:
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return;
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}
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}
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/**
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* @brief Returns timezone correct age in years.
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*
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* Returns the age in years, given a date of birth, the timezone of the person
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* whose date of birth is provided, and the timezone of the person viewing the
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* result.
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*
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* Why? Bear with me. Let's say I live in Mittagong, Australia, and my birthday
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* is on New Year's. You live in San Bruno, California.
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* When exactly are you going to see my age increase?
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*
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* A: 5:00 AM Dec 31 San Bruno time. That's precisely when I start celebrating
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* and become a year older. If you wish me happy birthday on January 1
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* (San Bruno time), you'll be a day late.
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*
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* @param string $dob Date of Birth
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* @param string $owner_tz (optional) timezone of the person of interest
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* @param string $viewer_tz (optional) timezone of the person viewing
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* @return number
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*/
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function age($dob, $owner_tz = '', $viewer_tz = '') {
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if (! intval($dob))
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return 0;
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if (! $owner_tz)
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$owner_tz = date_default_timezone_get();
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if (! $viewer_tz)
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$viewer_tz = date_default_timezone_get();
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$birthdate = datetime_convert('UTC', $owner_tz, $dob . ' 00:00:00+00:00','Y-m-d');
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list($year,$month,$day) = explode("-", $birthdate);
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$year_diff = datetime_convert('UTC', $viewer_tz, 'now', 'Y') - $year;
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$curr_month = datetime_convert('UTC', $viewer_tz, 'now', 'm');
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$curr_day = datetime_convert('UTC', $viewer_tz, 'now', 'd');
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if (($curr_month < $month) || (($curr_month == $month) && ($curr_day < $day)))
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$year_diff--;
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return $year_diff;
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}
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/**
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* @brief Get days of a month in a given year.
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*
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* Returns number of days in the month of the given year.
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* $m = 1 is 'January' to match human usage.
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*
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* @param int $y year
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* @param int $m month (1=January, 12=December)
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* @return int number of days in the given month
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*/
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function get_dim($y, $m) {
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$dim = array( 0,
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31, 28, 31, 30, 31, 30,
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31, 31, 30, 31, 30, 31
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);
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if ($m != 2)
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return $dim[$m];
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if (((($y % 4) == 0) && (($y % 100) != 0)) || (($y % 400) == 0))
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return 29;
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return $dim[2];
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}
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/**
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* @brief Returns the first day in month for a given month, year.
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*
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* Months start at 1.
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*
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* @param int $y Year
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* @param int $m Month (1=January, 12=December)
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* @return string day 0 = Sunday through 6 = Saturday
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*/
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function get_first_dim($y, $m) {
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$d = sprintf('%04d-%02d-01 00:00', intval($y), intval($m));
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return datetime_convert('UTC', 'UTC', $d, 'w');
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}
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/**
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* @brief Output a calendar for the given month, year.
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*
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* If $links are provided (array), e.g. $links[12] => 'http://mylink' ,
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* date 12 will be linked appropriately. Today's date is also noted by
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* altering td class.
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* Months count from 1.
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*
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* @param number $y Year
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* @param number $m Month
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* @param string $links (default false)
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* @param string $class
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* @return string
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*
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* @todo provide (prev,next) links, define class variations for different size calendars
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*/
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function cal($y = 0, $m = 0, $links = false, $class='') {
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// month table - start at 1 to match human usage.
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$mtab = [ ' ', 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December' ];
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$thisyear = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
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$thismonth = datetime_convert('UTC',date_default_timezone_get(),'now','m');
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if (! $y)
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$y = $thisyear;
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if (! $m)
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$m = intval($thismonth);
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$dn = [ 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday' ];
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$f = get_first_dim($y, $m);
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$l = get_dim($y, $m);
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$d = 1;
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$dow = 0;
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$started = false;
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if (($y == $thisyear) && ($m == $thismonth))
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$tddate = intval(datetime_convert('UTC',date_default_timezone_get(),'now','j'));
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$str_month = day_translate($mtab[$m]);
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$o = '<table class="calendar' . $class . '">';
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$o .= "<caption>$str_month $y</caption><tr>";
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for ($a = 0; $a < 7; $a ++)
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$o .= '<th>' . mb_substr(day_translate($dn[$a]),0,3,'UTF-8') . '</th>';
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$o .= '</tr><tr>';
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while ($d <= $l) {
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if (($dow == $f) && (! $started))
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$started = true;
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$today = (((isset($tddate)) && ($tddate == $d)) ? "class=\"today\" " : '');
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$o .= "<td $today>";
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$day = str_replace(' ',' ',sprintf('%2.2d', $d));
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if ($started) {
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if (is_array($links) && isset($links[$d]))
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$o .= "<a href=\"{$links[$d]}\">$day</a>";
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else
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$o .= $day;
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$d ++;
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} else {
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$o .= ' ';
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}
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$o .= '</td>';
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$dow ++;
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if (($dow == 7) && ($d <= $l)) {
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$dow = 0;
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$o .= '</tr><tr>';
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}
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}
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if ($dow)
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for ($a = $dow; $a < 7; $a ++)
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$o .= '<td> </td>';
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$o .= '</tr></table>'."\r\n";
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return $o;
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}
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/**
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* @brief Return the next birthday, converted from the owner's timezone to UTC.
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*
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* This makes it globally portable.
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* If the provided birthday lacks a month and or day, return an empty string.
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* A missing year is acceptable.
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*
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* @param string $dob Date of Birth
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* @param string $tz Timezone
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* @param string $format
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* @return string
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*/
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function z_birthday($dob, $tz, $format="Y-m-d H:i:s") {
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if (! strlen($tz))
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$tz = 'UTC';
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$birthday = '';
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$tmp_dob = substr($dob,5);
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$tmp_d = substr($dob,8);
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if (intval($tmp_dob) && intval($tmp_d)) {
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$y = datetime_convert($tz,$tz,'now','Y');
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$bd = $y . '-' . $tmp_dob . ' 00:00';
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$t_dob = strtotime($bd);
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$now = strtotime(datetime_convert($tz,$tz,'now'));
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if ($t_dob < $now)
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$bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
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$birthday = datetime_convert($tz,'UTC',$bd,$format);
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}
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return $birthday;
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}
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/**
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* @brief Create a birthday event for any connections with a birthday in the next 1-2 weeks.
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*
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* Update the year so that we don't create another event until next year.
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*/
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function update_birthdays() {
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require_once('include/event.php');
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require_once('include/permissions.php');
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$r = q("SELECT * FROM abook left join xchan on abook_xchan = xchan_hash
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WHERE abook_dob > %s + interval %s and abook_dob < %s + interval %s",
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db_utcnow(), db_quoteinterval('7 day'),
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db_utcnow(), db_quoteinterval('14 day')
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);
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if ($r) {
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foreach ($r as $rr) {
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if (! perm_is_allowed($rr['abook_channel'], $rr['xchan_hash'], 'send_stream'))
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continue;
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$ev = [
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'uid' => $rr['abook_channel'],
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'account' => $rr['abook_account'],
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'event_xchan' => $rr['xchan_hash'],
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'dtstart' => datetime_convert('UTC', 'UTC', $rr['abook_dob']),
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'dtend' => datetime_convert('UTC', 'UTC', $rr['abook_dob'] . ' + 1 day '),
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'adjust' => intval(feature_enabled($rr['abook_channel'],'smart_birthdays')),
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'summary' => sprintf( t('%1$s\'s birthday'), $rr['xchan_name']),
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'description' => sprintf( t('Happy Birthday %1$s'), '[zrl=' . $rr['xchan_url'] . ']' . $rr['xchan_name'] . '[/zrl]'),
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'etype' => 'birthday',
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];
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|
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$z = event_store_event($ev);
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if ($z) {
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$item_id = event_store_item($ev, $z);
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q("update abook set abook_dob = '%s' where abook_id = %d",
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dbesc(intval($rr['abook_dob']) + 1 . substr($rr['abook_dob'], 4)),
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intval($rr['abook_id'])
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|
);
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}
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}
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|
}
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}
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