開發過程中,常用日期處理函數,時間戳處理函數等,如下講解:
<?php
echo date('Y-m-d h:i:s',time());
//運行結果(年月日時分秒,“-”間隔):2014-09-12 06:28:32
echo date('Y-m-d',time());
//運行結果(年月日,“-”間隔):2014-09-12
echo date('Y-m-d',strtotime(date('Y-m-d', time()-86400)));
//運行結果(當前日期前一天的年月日,“-”間隔):2014-09-11
echo date('Ymd',time());
//運行結果(年月日,無間隔):20140912
echo date('m-d',time());
//運行結果(月日,“-”間隔):09-12
echo str_replace("-","月",date('m-d',time()-date('w',time())*86400))."日";
//運行結果(月日,漢字顯示間隔):09月12日
echo date('w',time());
//運行結果(星期幾):5
echo time();
//運行結果(當前日期時間的秒數):1410503809
echo strtotime(date('Y-m-d',time()));
//運行結果(當前日期秒數,具體到天):1410503809
echo date('Y-m-d',strtotime(date('Y-m-d', time()))-date('w',strtotime(date('Y-m-d', time())))*86400);
//運行結果(當前日期所屬自然周的起始日期即週日的日期,具體到天,“-”間隔):2014-09-07
//php獲取今日開始時間戳和結束時間戳
$beginToday=mktime(0,0,0,date('m'),date('d'),date('Y'));
$endToday=mktime(0,0,0,date('m'),date('d')+1,date('Y'))-1;
//php獲取昨日起始時間戳和結束時間戳
$beginYesterday=mktime(0,0,0,date('m'),date('d')-1,date('Y'));
$endYesterday=mktime(0,0,0,date('m'),date('d'),date('Y'))-1;
//php獲取上週起始時間戳和結束時間戳
$beginLastweek=mktime(0,0,0,date('m'),date('d')-date('w')+1-7,date('Y'));
$endLastweek=mktime(23,59,59,date('m'),date('d')-date('w')+7-7,date('Y'));
//php獲取本月起始時間戳和結束時間戳
$beginThismonth=mktime(0,0,0,date('m'),1,date('Y'));
$endThismonth=mktime(23,59,59,date('m'),date('t'),date('Y'));
<?php
/**date 2015-04-11
* author http://www.lai18.com
**/
echo date("Ymd",strtotime("now")), "\n";
echo date("Ymd",strtotime("-1 week Monday")), "\n";
echo date("Ymd",strtotime("-1 week Sunday")), "\n";
echo date("Ymd",strtotime("+0 week Monday")), "\n";
echo date("Ymd",strtotime("+0 week Sunday")), "\n";
echo "*********第幾個月:";
echo date('n');
echo "*********本週周幾:";
echo date("w");
echo "*********本月天數:";
echo date("t");
echo "*********";
echo '<br>上週起始時間:<br>';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),date("d")-date("w")+1-7,date("Y"))),"\n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("d")-date("w")+7-7,date("Y"))),"\n";
echo '<br>本週起始時間:<br>';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),date("d")-date("w")+1,date("Y"))),"\n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("d")-date("w")+7,date("Y"))),"\n";
echo '<br>上月起始時間:<br>';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m")-1,1,date("Y"))),"\n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m") ,0,date("Y"))),"\n";
echo '<br>本月起始時間:<br>';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),1,date("Y"))),"\n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("t"),date("Y"))),"\n";
$season = ceil((date('n'))/3);//當月是第幾季度
echo '<br>本季度起始時間:<br>';
echo date('Y-m-d H:i:s', mktime(0, 0, 0,$season*3-3+1,1,date('Y'))),"\n";
echo date('Y-m-d H:i:s', mktime(23,59,59,$season*3,date('t',mktime(0, 0 , 0,$season*3,1,date("Y"))),date('Y'))),"\n";
$season = ceil((date('n'))/3)-1;//上季度是第幾季度
echo '<br>上季度起始時間:<br>';
echo date('Y-m-d H:i:s', mktime(0, 0, 0,$season*3-3+1,1,date('Y'))),"\n";
echo date('Y-m-d H:i:s', mktime(23,59,59,$season*3,date('t',mktime(0, 0 , 0,$season*3,1,date("Y"))),date('Y'))),"\n";