<?php
/*
* @param $posttime 时间：2020-06-3 12:00:18
*/

function time_ago($posttime){
     //当前时间的时间戳
    $nowtimes = strtotime(date('Y-m-d H:i:s'),time());
    //之前时间参数的时间戳
    $posttimes = strtotime($posttime);
    //相差时间戳
    $counttime = $nowtimes - $posttimes;
    
    //进行时间转换
    if($counttime<=10){
    
       return '刚刚';
        
    }else if($counttime>10 && $counttime<=30){
    
       return '刚才';
        
    }else if($counttime>30 && $counttime<=60){
    
        return '刚一会';
        
    }else if($counttime>60 && $counttime<=120){
    
       return '1分钟前';
        
    }else if($counttime>120 && $counttime<=180){
    
       return '2分钟前';
        
    }else if($counttime>180 && $counttime<3600){
    
       return intval(($counttime/60)).'分钟前';
        
    }else if($counttime>=3600 && $counttime<3600*24){
    
       return intval(($counttime/3600)).'小时前';
        
    }else if($counttime>=3600*24 && $counttime<3600*24*2){
    
       return '昨天';
        
    }else if($counttime>=3600*24*2 && $counttime<3600*24*3){
    
       return '前天';
        
    }else if($counttime>=3600*24*3 && $counttime<=3600*24*20){
    
       return intval(($counttime/(3600*24))).'天前';
        
    }else{
    
       return $posttime;
        
    }
}

//调用
$posttime_1 = "2020-05-31 05:00:18";
$posttime_2 = "2020-06-2 11:00:00";
$posttime_3 = "2020-06-3 12:05:18";
$date_1 = time_ago($posttime_1);
$date_2 = time_ago($posttime_2);
$date_3 = time_ago($posttime_3);

echo "<h1 style=\"text-align:center;margin-top:50px;\">".$date_1."</h1>";
echo "<h1 style=\"text-align:center;margin-top:50px;\">".$date_2."</h1>";
echo "<h1 style=\"text-align:center;margin-top:50px;\">".$date_3."</h1>";
?>

Author:TANKING
Web:https://www.likeyunba.com/
Date:2020-06-03
WeChat:face6009