摘要: /** * 获取某年第几周的开始日期和结束日期 * @param int $year * @param int $week 第几周; */ public function weekday($year,$week=1){ $year_start = mktime(0,0,0,1,1,$year); $ 阅读全文
posted @ 2018-12-22 10:05 心之所依 阅读(1855) 评论(1) 推荐(0)
摘要: /** * 科学计数法转换成数字 * @param $num * @param int $double * @return int */ function sctonum($num, $double = 5){ if (false !== stripos((string)$num, "E")) { 阅读全文
posted @ 2018-12-22 09:47 心之所依 阅读(5288) 评论(0) 推荐(0)