php格式化日期和时间格式化示例分享

复制代码 代码如下:
// 格式化日期
 static function formatDate($format, $datetime, $week = 0) {
     $datetime = $datetime > 3000 ? $datetime : strtotime($datetime);
     if ($week) {
         $weeknames = [
             "日",
             "一",
             "二",
             "三",
             "四",
             "五",
             "六"
         ];
         $format = str_replace("w", $weeknames [date("w", $datetime)], $format);
     }
     return date($format, $datetime);
 }

复制代码 代码如下:
echo "周" . formatDate("w","2012-11-03 00:46:22" , 1) . " " . formatDate("Y-m-d", "2012-11-03 00:46:22");
echo "周" . formatDate("w","1388678400" , 1) . " " . formatDate("Y-m-d", "1388678400");

周六 2012-11-03
周五 2014-01-03