用PHP获取本周第一天和最后一天,网上有很多方法,但是太麻烦,或者有bug,这是用php自带的DateTime类实现的方法,比较简单:
//本周的第一天和最后一天
代码如下 | 复制代码 |
$date=new DateTime(); $date->modify('this week'); $first_day_of_week=$date->format('Y-m-d'); $date->modify('this week +6 days'); $end_day_of_week=$date->format('Y-m-d'); |
经过测试modity不知道是用做什么了,于时找了另两个例子
代码如下 | 复制代码 |
//这个星期的星期一 // @$timestamp ,某个星期的某一个时间戳,默认为当前时间 // @is_return_timestamp ,是否返回时间戳,否则返回时间格式 function this_monday($timestamp=0,$is_return_timestamp=true){ static $cache ; $id = $timestamp.$is_return_timestamp; if(!isset($cache[$id])){ if(!$timestamp) $timestamp = time(); $monday_date = date('Y-m-d', $timestamp-86400*date('w',$timestamp)+(date('w',$timestamp)>0?86400:-/*6*86400*/518400)); if($is_return_timestamp){ $cache[$id] = strtotime($monday_date); }else{ $cache[$id] = $monday_date; } } return $cache[$id];
|
//这个星期的星期天
代码如下 | 复制代码 |
// @$timestamp ,某个星期的某一个时间戳,默认为当前时间 // @is_return_timestamp ,是否返回时间戳,否则返回时间格式 function this_sunday($timestamp=0,$is_return_timestamp=true){ static $cache ; $id = $timestamp.$is_return_timestamp; if(!isset($cache[$id])){ if(!$timestamp) $timestamp = time(); $sunday = this_monday($timestamp) + /*6*86400*/518400; if($is_return_timestamp){ $cache[$id] = $sunday; }else{ $cache[$id] = date('Y-m-d',$sunday); } } return $cache[$id]; } |

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