php 人性化顯示時間

//時間轉換函數(把時間顯示人性化)
 function tranTime($time)
 {     
     $r ,$time);           
     $time = time() - $time;       🎠  
      $str = '剛';     
     }elseif($time     = floor($time/60);         
      $str = $min.'分鐘前';     
        
      $h = floor($time/(60*60) );         
      $str = $h.'小時前 '.$htime;     
         
      $d = floor($time/(60*60*24) );         
      if($d==1)
   $str = '昨天'.$rtime;
   
  {         
   $str = $rtime;     
  }     
return $str; 
 }
 $times=time()-254;  
  echo tranTime($times);