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https://gitee.com/wonderful-code/buildadmin
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201 lines
8.4 KiB
PHP
201 lines
8.4 KiB
PHP
<?php
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namespace ba;
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use DateTime;
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use DateTimeZone;
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/**
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* 日期时间处理类
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* @form https://gitee.com/karson/fastadmin/blob/develop/extend/fast/Date.php
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*/
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class Date
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{
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const YEAR = 31536000;
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const MONTH = 2592000;
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const WEEK = 604800;
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const DAY = 86400;
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const HOUR = 3600;
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const MINUTE = 60;
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/**
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* 计算两个时区间相差的时长,单位为秒
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*
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* $seconds = self::offset('America/Chicago', 'GMT');
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*
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* [!!] A list of time zones that PHP supports can be found at
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* <http://php.net/timezones>.
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*
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* @param string $remote timezone that to find the offset of
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* @param string $local timezone used as the baseline
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* @param mixed $now UNIX timestamp or date string
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* @return integer
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*/
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public static function offset($remote, $local = null, $now = null)
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{
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if ($local === null) {
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// Use the default timezone
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$local = date_default_timezone_get();
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}
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if (is_int($now)) {
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// Convert the timestamp into a string
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$now = date(DateTime::RFC2822, $now);
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}
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// Create timezone objects
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$zone_remote = new DateTimeZone($remote);
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$zone_local = new DateTimeZone($local);
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// Create date objects from timezones
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$time_remote = new DateTime($now, $zone_remote);
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$time_local = new DateTime($now, $zone_local);
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// Find the offset
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return $zone_remote->getOffset($time_remote) - $zone_local->getOffset($time_local);
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}
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/**
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* 计算两个时间戳之间相差的时间
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*
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* $span = self::span(60, 182, 'minutes,seconds'); // array('minutes' => 2, 'seconds' => 2)
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* $span = self::span(60, 182, 'minutes'); // 2
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*
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* @param int $remote timestamp to find the span of
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* @param int $local timestamp to use as the baseline
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* @param string $output formatting string
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* @return array|string associative list of all outputs requested|when only a single output is requested
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* @from https://github.com/kohana/ohanzee-helpers/blob/master/src/Date.php
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*/
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public static function span($remote, $local = null, $output = 'years,months,weeks,days,hours,minutes,seconds')
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{
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// Normalize output
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$output = trim(strtolower((string)$output));
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if (!$output) {
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// Invalid output
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return false;
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}
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// Array with the output formats
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$output = preg_split('/[^a-z]+/', $output);
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// Convert the list of outputs to an associative array
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$output = array_combine($output, array_fill(0, count($output), 0));
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// Make the output values into keys
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extract(array_flip($output), EXTR_SKIP);
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if ($local === null) {
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// Calculate the span from the current time
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$local = time();
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}
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// Calculate timespan (seconds)
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$timespan = abs($remote - $local);
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if (isset($output['years'])) {
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$timespan -= self::YEAR * ($output['years'] = (int)floor($timespan / self::YEAR));
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}
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if (isset($output['months'])) {
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$timespan -= self::MONTH * ($output['months'] = (int)floor($timespan / self::MONTH));
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}
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if (isset($output['weeks'])) {
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$timespan -= self::WEEK * ($output['weeks'] = (int)floor($timespan / self::WEEK));
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}
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if (isset($output['days'])) {
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$timespan -= self::DAY * ($output['days'] = (int)floor($timespan / self::DAY));
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}
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if (isset($output['hours'])) {
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$timespan -= self::HOUR * ($output['hours'] = (int)floor($timespan / self::HOUR));
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}
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if (isset($output['minutes'])) {
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$timespan -= self::MINUTE * ($output['minutes'] = (int)floor($timespan / self::MINUTE));
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}
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// Seconds ago, 1
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if (isset($output['seconds'])) {
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$output['seconds'] = $timespan;
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}
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if (count($output) === 1) {
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// Only a single output was requested, return it
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return array_pop($output);
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}
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// Return array
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return $output;
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}
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/**
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* 格式化 UNIX 时间戳为人易读的字符串
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*
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* @param int $remote Unix 时间戳
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* @param mixed $local 本地时间
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*
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* @return string 格式化的日期字符串
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*/
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public static function human($remote, $local = null)
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{
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$timediff = (is_null($local) || $local ? time() : $local) - $remote;
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$chunks = array(
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array(60 * 60 * 24 * 365, 'year'),
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array(60 * 60 * 24 * 30, 'month'),
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array(60 * 60 * 24 * 7, 'week'),
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array(60 * 60 * 24, 'day'),
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array(60 * 60, 'hour'),
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array(60, 'minute'),
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array(1, 'second')
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);
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for ($i = 0, $j = count($chunks); $i < $j; $i++) {
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$seconds = $chunks[$i][0];
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$name = $chunks[$i][1];
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if (($count = floor($timediff / $seconds)) != 0) {
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break;
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}
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}
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return __("%d {$name}%s ago", [$count, $count > 1 ? 's' : '']);
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}
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/**
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* 获取一个基于时间偏移的Unix时间戳
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*
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* @param string $type 时间类型，默认为day，可选minute,hour,day,week,month,quarter,year
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* @param int $offset 时间偏移量 默认为0，正数表示当前type之后，负数表示当前type之前
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* @param string $position 时间的开始或结束，默认为begin，可选前(begin,start,first,front)，end
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* @param int $year 基准年，默认为null，即以当前年为基准
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* @param int $month 基准月，默认为null，即以当前月为基准
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* @param int $day 基准天，默认为null，即以当前天为基准
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* @param int $hour 基准小时，默认为null，即以当前年小时基准
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* @param int $minute 基准分钟，默认为null，即以当前分钟为基准
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* @return int 处理后的Unix时间戳
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*/
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public static function unixtime($type = 'day', $offset = 0, $position = 'begin', $year = null, $month = null, $day = null, $hour = null, $minute = null)
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{
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$year = is_null($year) ? date('Y') : $year;
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$month = is_null($month) ? date('m') : $month;
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$day = is_null($day) ? date('d') : $day;
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$hour = is_null($hour) ? date('H') : $hour;
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$minute = is_null($minute) ? date('i') : $minute;
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$position = in_array($position, array('begin', 'start', 'first', 'front'));
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switch ($type) {
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case 'minute':
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$time = $position ? mktime($hour, $minute + $offset, 0, $month, $day, $year) : mktime($hour, $minute + $offset, 59, $month, $day, $year);
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break;
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case 'hour':
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$time = $position ? mktime($hour + $offset, 0, 0, $month, $day, $year) : mktime($hour + $offset, 59, 59, $month, $day, $year);
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break;
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case 'day':
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$time = $position ? mktime(0, 0, 0, $month, $day + $offset, $year) : mktime(23, 59, 59, $month, $day + $offset, $year);
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break;
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case 'week':
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$time = $position ?
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mktime(0, 0, 0, $month, $day - date("w", mktime(0, 0, 0, $month, $day, $year)) + 1 - 7 * (-$offset), $year) :
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mktime(23, 59, 59, $month, $day - date("w", mktime(0, 0, 0, $month, $day, $year)) + 7 - 7 * (-$offset), $year);
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break;
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case 'month':
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$time = $position ? mktime(0, 0, 0, $month + $offset, 1, $year) : mktime(23, 59, 59, $month + $offset, cal_days_in_month(CAL_GREGORIAN, $month + $offset, $year), $year);
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break;
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case 'quarter':
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$time = $position ?
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mktime(0, 0, 0, 1 + ((ceil(date('n', mktime(0, 0, 0, $month, $day, $year)) / 3) + $offset) - 1) * 3, 1, $year) :
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mktime(23, 59, 59, (ceil(date('n', mktime(0, 0, 0, $month, $day, $year)) / 3) + $offset) * 3, cal_days_in_month(CAL_GREGORIAN, (ceil(date('n', mktime(0, 0, 0, $month, $day, $year)) / 3) + $offset) * 3, $year), $year);
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break;
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case 'year':
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$time = $position ? mktime(0, 0, 0, 1, 1, $year + $offset) : mktime(23, 59, 59, 12, 31, $year + $offset);
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break;
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default:
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$time = mktime($hour, $minute, 0, $month, $day, $year);
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break;
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}
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return $time;
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}
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} |