PHP time-ago function

time-ago.php

function timeAgo($time_ago) {
  $cur_time   = time();
  $time_elapsed   = $cur_time - $time_ago;
  $seconds    = $time_elapsed ;
  $minutes    = round($time_elapsed / 60 );
  $hours      = round($time_elapsed / 3600);
  $days       = round($time_elapsed / 86400 );
  $weeks      = round($time_elapsed / 604800);
  $months     = round($time_elapsed / 2600640 );
  $years      = round($time_elapsed / 31207680 );
  
  // Seconds
  if($seconds <= 60){
    return "just now";
  }
  //Minutes
  else if($minutes <=60){
    if($minutes==1){
      return "one minute ago";
    }
    else{
      return "$minutes minutes ago";
    }
  }
  //Hours
  else if($hours <=24){
    if($hours==1){
      return "an hour ago";
    }else{
      return "$hours hrs ago";
    }
  }
  //Days
  else if($days <= 7){
    if($days==1){
      return "yesterday";
    }else{
      return "$days days ago";
    }
  }
  //Weeks
  else if($weeks <= 4.3){
    if($weeks==1){
      return "a week ago";
    }else{
      return "$weeks weeks ago";
    }
  }
  //Months
  else if($months <=12){
    if($months==1){
      return "a month ago";
    }else{
      return "$months months ago";
    }
  }
  //Years
  else{
    if($years==1){
      return "one year ago";
    }else{
      return "$years years ago";
    }
  }
}

echo "<h2>See examples for random timestamps</h2>";

$timestamp = rand(100000000,1000000000);
echo "<b>".$timestamp."</b>: " . timeAgo($timestamp) . "<br>";


$timestamp = time()-rand(1000000,10000000);
echo "<b>".$timestamp."</b>: " . timeAgo($timestamp) . "<br>";


$timestamp = time()-rand(10000,1000000);
echo "<b>".$timestamp."</b>: " . timeAgo($timestamp) . "<br>";