~~~ /** * 时间戳格式化 * @param int $time * @return string 完整的时间显示 */ function time_format($time = NULL,$format='Y-m-d H:i'){ $time = $time === NULL ? NOW_TIME : intval($time); return date($format, $time); } ~~~ 格式化时间线 ~~~ /** * * @param 时间戳 $time * * 格式化时间线 */ function timeline($time){ if(time()<=$time){ return date("Y-m-d H:i:s",$time); }else{ $t = time()-$time; $f = array( '31536000'=>'年', '2592000'=>'个月', '604800'=>'星期', '86400'=>'天', '3600'=>'小时', '60'=>'分钟', '1'=>'秒' ); foreach($f as $k=>$v){ if(0 != $c = floor($t/(int)$k)){ return $c.$v.'前'; } } } } ~~~ ~~~ date_default_timezone_set('PRC'); //默认时区 //当前的时间增加5天 $date1 = "2018-5-20"; echo date('Y-m-d',strtotime("$date1 +5 day")); //输出结果：2018-5-25 //相应地,要增加月,年,将day改成month或year即可 //+++ 今天、昨天、明天 、上一周、下一周 +++++++++ echo "今天:",date("Y-m-d",time()),"<hr>"; echo "昨天:",date("Y-m-d",strtotime("-1 day")), "<hr>"; echo "明天:",date("Y-m-d",strtotime("+1 day")), "<hr>"; echo "一周后:",date("Y-m-d",strtotime("+1 week")), "<hr>"; 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")), "<hr>"; echo "下个星期四:",date("Y-m-d",strtotime("next Thursday")), "<hr>"; echo "上个周一:".date("Y-m-d",strtotime("last Monday"))."<hr>"; echo "一个月前:".date("Y-m-d",strtotime("last month"))."<hr>"; echo "一个月后:".date("Y-m-d",strtotime("+1 month"))."<hr>"; echo "十年后:".date("Y-m-d",strtotime("+10 year"))."<hr>"; ~~~