php获取时间、多少分钟前的示例代码

<?php 
    function getWeekName($data,$format = '星期') 
    { 
        $week   =  date( "D ",$data); 
            switch($week) 
        { 
            case "Mon ": 
                $current   =   $format."一"; 
                break; 
            case "Tue ": 
                $current   =   $format."二"; 
                break; 
            case "Wed ": 
                $current   =   $format."三"; 
                break; 
            case "Thu ": 
                $current   =   $format."四"; 
                break; 
            case "Fri ": 
                $current   =   $format."五"; 
                break; 
            case "Sat ": 
                $current   =   $format."六";
                break; 
            case "Sun ": 
                $current   =   $format."日"; 
                break; 
        } 
        return $current; 
    }      
    echo '今天是：'.getWeekName(time(),'星期'); 
    echo '<br>'; 
    echo '今天是：'.getWeekName(time(),'礼拜'); 
    echo '<br>'; 
    echo '2010-12-12是：'.getWeekName(strtotime('2010-12-12'),'礼拜'); 
    ?> 

<?php 
function time2Units ($time) 
{  // www.jbxue.com
$year = floor($time / 60 / 60 / 24 / 365); 
$time -= $year * 60 * 60 * 24 * 365; 
$month = floor($time / 60 / 60 / 24 / 30); 
$time -= $month * 60 * 60 * 24 * 30; 
$week = floor($time / 60 / 60 / 24 / 7); 
$time -= $week * 60 * 60 * 24 * 7; 
$day = floor($time / 60 / 60 / 24); 
$time -= $day * 60 * 60 * 24; 
$hour = floor($time / 60 / 60); 
$time -= $hour * 60 * 60; 
$minute = floor($time / 60); 
$time -= $minute * 60; 
$second = $time; 
$elapse = ''; 
 
$unitArr = array('年' =>'year', '个月'=>'month', '周'=>'week', '天'=>'day', 
'小时'=>'hour', '分钟'=>'minute', '秒'=>'second' 
); 
 
foreach ( $unitArr as $cn => $u ) 
{ 
if ( $$u > 0 ) 
{ 
$elapse = $$u . $cn; 
break; 
} 
} 
 
return $elapse; 
} 
 
$past = 2052345678; // 发布日期 
$now = time(); // 当前日期 
$diff = $now - $past;//相差值 
 
echo '发表于' . time2Units($diff) . '前'; 
?> 

<?php
function time_tran($the_time){ 
$now_time = date("Y-m-d H:i:s",time()+8*60*60); 
$now_time = strtotime($now_time); 
$show_time = strtotime($the_time); 
$dur = $now_time - $show_time; 
if($dur < 0){ 
return $the_time; 
}else{ 
if($dur < 60){ 
    return $dur.'秒前'; 
}else{ 
    if($dur < 3600){ 
   return floor($dur/60).'分钟前'; 
    }else{ 
   if($dur < 86400){ 
   return floor($dur/3600).'小时前'; 
   }else{ 
   if($dur < 259200){//3天内 
       return floor($dur/86400).'天前'; 
   }else{ 
       return $the_time; 
   } 
   } 
    } 
} 
} 
} 

<?php
function getTime( $val ){ 
if($val>0){ 
$nTime['nDay'] = (int)($val/(3600*24)); 
$nTime['nHour'] = (int)($val%(3600*24)/3600); 
$nTime['nMin'] = (int)($val%(3600*24)%3600/60); 
$nTime['nSec'] = (int)($val%(3600*24)%3600%60); 
} 
return $nTime ; 
} 
function getStrTime( $val ){ 
$aTime = getTime($val); 
$dtoc = array('nDay'=>'天','nHour'=>'小时','nMin'=>'分','nSec'=>'秒'); 
if( $aTime ){ 
foreach( $aTime as $k=>$v){ 
if($v){ 
$cTime .= $v.$dtoc[$k]; 
} 
} 
}else{ 
$cTime = '已截止'; 
} 
return $cTime; 
}