本文主要和大家分享PHP的日期加減計(jì)算方法,希望能幫助到大家。
PHP 標(biāo)準(zhǔn)的日期格式
date("Y-m-d H:i:s");
PHP 簡(jiǎn)單的日期加減計(jì)算
<?php date_default_timezone_set('PRC'); //默認(rèn)時(shí)區(qū) echo "今天:",date("Y-m-d",time()),"\n"; echo "今天:",date("Y-m-d",strtotime("18 june 2008")),"\n"; echo "昨天:",date("Y-m-d",strtotime("-1 day")),"\n"; echo "明天:",date("Y-m-d",strtotime("+1 day")),"\n"; echo "一周后:",date("Y-m-d",strtotime("+1 week")),"\n"; echo "一周零兩天四小時(shí)兩秒后:",date("Y-m-d G:H:s",strtotime("+1 week 2 days 4 hours 2 seconds")), "\n"; echo "下個(gè)星期四:",date("Y-m-d",strtotime("next Thursday")),"\n"; echo "上個(gè)周一:".date("Y-m-d",strtotime("last Monday"))."\n"; echo "一個(gè)月前:".date("Y-m-d",strtotime("last month"))."\n"; echo "一個(gè)月后:".date("Y-m-d",strtotime("+1 month"))."\n"; echo "十年后:".date("Y-m-d",strtotime("+10 year"))."\n"; ?>
運(yùn)行結(jié)果:
今天:2017-11-06今天:2008-06-18昨天:2017-11-05明天:2017-11-07一周后:2017-11-13一周零兩天四小時(shí)兩秒后:2017-11-15 22:22:42 下個(gè)星期四:2017-11-09上個(gè)周一:2017-10-30一個(gè)月前:2017-10-06一個(gè)月后:2017-12-06十年后:2027-11-06
PHP 進(jìn)階的日期加減計(jì)算
<?php // 默認(rèn)時(shí)區(qū) date_default_timezone_set('PRC'); echo "今天: ", date('Y-m-d H:i:s'), "\n"; // 輸出當(dāng)前時(shí)間 echo "明天: ", date('Y-m-d H:i:s', strtotime('+1 day')), "\n"; // 輸出明天時(shí)間 //strtotime 可以接受第二個(gè)參數(shù),類型timestamp為指定日期 echo date('Y-m-d H:i:s', strtotime ("+1 day", strtotime('2017-11-11'))), "\n"; // 這里+1 day 可以修改參數(shù)1為任何想需要的數(shù) // day也可以改成year(年)month(月)hour(小時(shí))minute(分)second(秒) echo date('Y-m-d H:i:s', strtotime("+1 day +1 hour +1 minute")), "\n"; ?>
運(yùn)行結(jié)果:
今天: 2017-11-06 18:58:04明天: 2017-11-07 18:58:042017-11-12 00:00:002017-11-07 19:59:04
PHP 高級(jí)的計(jì)算日期時(shí)間差
<?php // 默認(rèn)時(shí)區(qū) date_default_timezone_set('PRC'); echo date("Y-m-d H:i:s"), "\n"; // 日期天數(shù)相加函數(shù) echo date('Y-m-d', strtotime('+1 day', strtotime('2016-09-12'))), "\n\n"; echo strtotime('2016-09-12'), "\n"; echo date("Y-m-d", '1473609600'), "\n"; echo date("Y-m-d", '1573609600'), "\n"; // 日期天數(shù)相加函數(shù) $d = "2016-09-12 10:12:20"; echo date("Y-m-d", strtotime("$d +1 day")), "\n\n"; // 把日期轉(zhuǎn)換成時(shí)間截 function date2time($d){ $year=((int)substr("$d",0,4)); //取得年份 $month=((int)substr("$d",5,2)); //取得月份 $day=((int)substr("$d",8,2)); //取得幾號(hào) return mktime(0,0,0,$month,$day,$year); } echo date2time("2016-09-12"), "\n\n"; $date_1="2066-09-12"; $date_2="2016-09-12"; $Date_List_a1=explode("-",$date_1); $Date_List_a2=explode("-",$date_2); $d1=mktime(0,0,0,$Date_List_a1[1],$Date_List_a1[2],$Date_List_a1[0]); $d2=mktime(0,0,0,$Date_List_a2[1],$Date_List_a2[2],$Date_List_a2[0]); $Days=round(($d1-$d2)/3600/24); echo "$date_2 -> $date_1 相差: $Days 天", "\n";?>
運(yùn)行結(jié)果:
2017-11-06 19:13:02 2016-09-13 1473609600 2016-09-122019-11-132016-09-13 1473609600 2066-09-12 -> 2016-09-12 相差: 18262 天
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