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<?php |
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/** |
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* Class DateTime |
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* |
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* @link https://www.icy2003.com/ |
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* @author icy2003 <[email protected]> |
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* @copyright Copyright (c) 2017, icy2003 |
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*/ |
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namespace icy2003\php\ihelpers; |
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/** |
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* 日期类 |
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*/ |
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class DateTime |
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{ |
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/** |
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* 构造函数 |
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* |
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* @param string $timezone 时区设置，默认上海 |
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*/ |
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public function __construct($timezone = 'Asia/Shanghai') |
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{ |
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date_default_timezone_set($timezone); |
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} |
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/** |
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* 距离今天偏移量天数的开始和结束时间戳 |
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* |
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* - 0：今天，1：明天，-1：昨天，以此类推 |
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* |
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* @param integer $offset 天数偏移量，默认 0，即今天 |
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* @param integer|null $time 设定该时间戳为今天 |
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* |
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* @return array |
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*/ |
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1 |
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public function dayRange($offset = 0, $time = null) |
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{ |
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1 |
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null === $time && $time = time(); |
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$y = (int) (date('Y', $time)); |
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$m = (int) (date('m', $time)); |
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$d = (int) (date('d', $time) + $offset); |
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return [ |
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mktime(0, 0, 0, $m, $d, $y), |
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1 |
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mktime(23, 59, 59, $m, $d, $y), |
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]; |
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} |
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/** |
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* 距离本周偏移量周数的开始和结束的时间戳 |
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* |
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* - 星期天是第一天，星期六是最后一天！！ |
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* |
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* @param integer $offset |
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* @param integer|null $time 设定该时间戳为本周 |
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* |
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* @return array |
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*/ |
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public function weekRange($offset = 0, $time = null) |
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{ |
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1 |
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null === $time && $time = time(); |
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$offset = (int) $offset; |
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return [ |
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1 |
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strtotime(date('Y-m-d', strtotime('Sunday ' . ($offset - 1) . ' week', $time))), |
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1 |
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strtotime(date('Y-m-d', strtotime('Saturday ' . $offset . ' week', $time))) + 24 * 3600 - 1, |
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]; |
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} |
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/** |
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* 距离本月偏移量月份数的开始和结束的时间戳 |
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* |
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* @param integer $offset |
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* @param integer|null $time 设定该时间戳为本月 |
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* |
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* @return array |
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*/ |
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public function monthRange($offset = 0, $time = null) |
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{ |
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null === $time && $time = time(); |
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$y = (int) (date('Y', $time)); |
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$m = (int) (date('m', $time) + $offset); |
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$begin = mktime(0, 0, 0, $m, 1, $y); |
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1 |
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$end = mktime(23, 59, 59, $m, (int) date('t', $begin), $y); |
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1 |
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return [$begin, $end]; |
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} |
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/** |
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* 距离今年偏移量年份数的开始和结束的时间戳 |
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* |
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* @param integer $offset |
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* @param integer|null $time 设定该时间戳为本年 |
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* |
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* @return array |
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*/ |
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public function yearRange($offset = 0, $time = null) |
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{ |
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1 |
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null === $time && $time = time(); |
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$year = (int) (date('Y', $time) + $offset); |
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return [ |
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1 |
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mktime(0, 0, 0, 1, 1, $year), |
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1 |
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mktime(23, 59, 59, 12, 31, $year), |
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]; |
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} |
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/** |
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* 距离某时间偏移量天数的时间戳 |
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* |
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* @param integer $offset |
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* @param integer|null $time 不给则取当前时间 |
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* |
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* @return integer |
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*/ |
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1 |
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public function day($offset = 0, $time = null) |
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{ |
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1 |
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null === $time && $time = time(); |
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1 |
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$offset = (int) $offset; |
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1 |
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return $time + 3600 * 24 * $offset; |
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} |
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/** |
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* 距离某时间偏移量星期数的时间戳 |
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* |
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* @param integer $offset |
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* @param integer|null $time 不给则取当前时间 |
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* |
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* @return integer |
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*/ |
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public function week($offset = 0, $time = null) |
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{ |
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1 |
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null === $time && $time = time(); |
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1 |
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$offset = (int) $offset; |
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1 |
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return $time + 3600 * 24 * 7 * $offset; |
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} |
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/** |
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* 距离某时间偏移量月份数的时间戳 |
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* |
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* @param integer $offset |
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* @param integer|null $time 不给则取当前时间 |
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* |
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* @return integer |
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*/ |
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public function month($offset = 0, $time = null) |
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{ |
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1 |
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null === $time && $time = time(); |
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1 |
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$offset = (int) $offset; |
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return $time + 3600 * 24 * date('t', $time) * $offset; |
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} |
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/** |
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* 距离某时间偏移量年份数的时间戳 |
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* |
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* @param integer $offset |
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* @param integer|null $time 不给则取当前时间 |
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* |
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* @return integer |
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*/ |
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public function year($offset = 0, $time = null) |
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{ |
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null === $time && $time = time(); |
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$offset = (int) $offset; |
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return mktime((int) date('H', $time), (int) date('i', $time), (int) date('s', $time), (int) date('m', $time), (int) date('d', $time), (int) date('Y', $time) + 1); |
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} |
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/** |
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* 返回星期几的英文名 |
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* @param integer|null $time |
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* |
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* @return string |
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*/ |
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public function weekName($time = null) |
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{ |
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null === $time && $time = time(); |
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return date('l', $time); |
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} |
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/** |
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* 返回月份名 |
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* @param integer|null $time |
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* |
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* @return string |
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*/ |
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public function monthName($time = null) |
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{ |
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null === $time && $time = time(); |
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return date('F', $time); |
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} |
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/** |
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* 是否是闰年 |
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* |
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* @param integer|null $time |
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* |
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* @return boolean |
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*/ |
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public function isLeapYear($time = null) |
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{ |
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null === $time && $time = time(); |
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return (bool) date('L', $time); |
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} |
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/** |
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* 返回该年的第几天 |
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* |
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* - 1 月 1 日为第一天 |
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* |
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* @param integer|null $time |
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* |
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* @return integer |
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*/ |
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public function yearPosition($time = null) |
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{ |
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null === $time && $time = time(); |
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return (int) date('z', $time) + 1; |
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} |
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} |
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icy2003 /
php
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