PHP输出时间差函数代码

来源:互联网 发布:张家港淘宝拍卖会 编辑:程序博客网 时间:2024/05/17 07:24
在学习PHP 的时候,经常会用到获取现在之前或之后,某个时间段的日期。 
PHP输出时间差函数
<?php  date_default_timezone_set('PRC'); //默认时区  echo "今天:",date("Y-m-d",time()),"<br>";  echo "今天:",date("Y-m-d",strtotime("18 june 2008")),"<br>";  echo "昨天:",date("Y-m-d",strtotime("-1 day")), "<br>";  echo "明天:",date("Y-m-d",strtotime("+1 day")), "<br>";  echo "一周后:",date("Y-m-d",strtotime("+1 week")), "<br>";  echo "一周零两天四小时两秒后:",date("Y-m-d G:H:s",strtotime("+1 week 2 days 4 hours 2 seconds")), "<br>";  echo "下个星期四:",date("Y-m-d",strtotime("next Thursday")), "<br>";  echo "上个周一:".date("Y-m-d",strtotime("last Monday"))."<br>";  echo "一个月前:".date("Y-m-d",strtotime("last month"))."<br>";  echo "一个月后:".date("Y-m-d",strtotime("+1 month"))."<br>";  echo "十年后:".date("Y-m-d",strtotime("+10 year"))."<br>";  ?> 

例2,
<?php//获取当天的星期(1-7)function GetWeek($times){    $res = date('w', strtotime($times));    if($res==0)       $res=7;    return $res;}//获取当天时间function GetTime($times){    $res = date('H:i', strtotime($times));    return $res;}//获取现在过几月的的时间function GetMonth($Month,$type='l'){    if(!strcmp($type,'b'))      $res=date("Y-m-d H:i:s",strtotime("-$Month months"));    if(!strcmp($type,'l'))      $res=date("Y-m-d H:i:s",strtotime("+$Month months"));    return $res;}//获取当前时间function GetCurrentDateTime(){    $res=date("Y-m-d H:i:s",time());    return $res;}//获取当前时间隔几小时之前或之后的时间function GetDiffHours($hours,$type='l'){  if(!strcmp($type,'b')) www.jbxue.com     $res=date("Y-m-d H:i:s",strtotime("-$hours hour"));  if(!strcmp($type,'l'))     $res=date("Y-m-d H:i:s",strtotime("+$hours hour"));  return $res;     }//间隔几分钟之前或之后的时间function GetDiffMinute($Minute,$type='l'){  if(!strcmp($type,'b'))     $res=date("Y-m-d H:i:s",strtotime("-$Minute minute"));  if(!strcmp($type,'l'))     $res=date("Y-m-d H:i:s",strtotime("+$Minute minute"));  return $res;     }//间隔几秒之前或之后的时间function GetDiffSec($sec,$type='l'){  if(!strcmp($type,'b'))     $res=date("Y-m-d H:i:s",strtotime("-$sec second"));  if(!strcmp($type,'l'))     $res=date("Y-m-d H:i:s",strtotime("+$sec second"));  return $res;     }//间隔几个星期之前或之后的时间function GetDiffWeek($Week,$type='l'){  if(!strcmp($type,'b'))     $res=date("Y-m-d H:i:s",strtotime("-$Week week"));  if(!strcmp($type,'l'))     $res=date("Y-m-d H:i:s",strtotime("+$Week week"));  return $res;     }// 间隔几天之间的时间function GetDiffDays($days,$type='l'){  if(!strcmp($type,'b'))     $res=date("Y-m-d H:i:s",strtotime("-$days day"));  if(!strcmp($type,'l'))     $res=date("Y-m-d H:i:s",strtotime("+$days day"));  return $res;     }//间隔几年之前或之后的时间function GetDiffYears($year,$type='l'){  if(!strcmp($type,'b'))     $res=date("Y-m-d H:i:s",strtotime("-$year year"));  if(!strcmp($type,'l'))     $res=date("Y-m-d H:i:s",strtotime("+$year year"));  return $res;     }
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