- print_r: documentation ( source)
- date: documentation ( source)
- strtotime: documentation ( source)
<?php
$date = date("Y-m-d");
//w:星期几,0-6
//取得指定时间所属月的第一天
$firstday = date("Y-m-01",strtotime($date));
//取得指定时间所属月的最后一天
$lastday = date("Y-m-d",strtotime("$firstday +1 month -1 day"));
//取得指定时间所属月的第一天是星期几
$w = date("w",strtotime($firstday));
//需要往前多取的天数(根据画面显示需要得出)
$days_up = $w;
//取得指定时间所属月的最后一天是星期几
$w = date("w",strtotime($lastday));
//需要往后多取的天数(根据画面显示需要得出)
$days_down = 6 - $w;
$start_date = date("Y-m-d",strtotime($firstday) - 86400 * $days_up);
$end_date = date("Y-m-d",strtotime($lastday) + 86400 * $days_down);
$days = (int) ((strtotime($end_date) - strtotime($start_date))/86400);
$info = array(
'start_date'=>$start_date,
'end_date'=>$end_date,
'days'=>$days
);
print_r($info);