php时间转换函数(把时间显示人性化)

1.很详细

// 严格按照离当前时间的间隔来输出

function formatTime($time)
{
	$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)) {
			$m = floor($t % $k);
			foreach ($f as $x => $y) {
				if (0 != $r = floor($m / (int)$x)) {
					return $c.$v.$r.$y.'前';
				}
			}
			return $c.$v.'前';
		}
	}
}
//实例
$times=time()-254;  
echo formatTime($times);

2.到前天

//时间转换函数(把时间显示人性化)
function formatTime($time)
{     
	$rtime = date("m-d H:i",$time);     
	$htime = date("H:i",$time);           
	$time = time() - $time;       
	if ($time < 60)
	{         
		$str = '刚刚';     
	}elseif($time < 60 * 60){         
		$min = floor($time/60);         
		$str = $min.'分钟前';     
	}elseif($time < 60 * 60 * 24){         
		$h = floor($time/(60*60));         
		$str = $h.'小时前 '.$htime;     
	}elseif($time < 60 * 60 * 24 * 3){         
		$d = floor($time/(60*60*24));         
		if($d==1){
			$str = '昨天 '.$rtime;
		}else{
			$str = '前天 '.$rtime;     
		}
	}else{         
		$str = $rtime;     
	}     
	return $str; 
}
//实例
$times=time()-254;  
echo formatTime($times);