php日期函数

给初学者用下

2016-12-28 14:22:03 catherine

1.获取上个月第一天及最后一天.
方法1：

echo date('Y-m-01', strtotime('-1 month'));
echo PHP_EOL;
echo date('Y-m-t', strtotime('-1 month'));
echo PHP_EOL;

方法2：

echo date('Y-m-d',mktime(0,0,0,date('m')-1,1,date('Y')));
echo PHP_EOL;
echo date('Y-m-d',mktime(0,0,0,date('m'),0,date('Y')));

2.获取当月第一天及最后一天.

$BeginDate=date('Y-m-01', strtotime(date("Y-m-d")));
echo $BeginDate;
echo PHP_EOL;
echo date('Y-m-d', strtotime("$BeginDate +1 month -1 day"));
echo PHP_EOL;

分类: web

标签: php

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作者: catherine

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