JSFiddle - React, Tailwind, and code Playground
HTML
<th>Ticket Age:</th>
<td>
<?
$ticket_id=$row['ticket_id'];
$sql = mysql_query("SELECT UNIX_TIMESTAMP(created) FROM ost_ticket WHERE ticket_id=$ticket_id");
$created_row = mysql_fetch_array($sql);
$created = $created_row['UNIX_TIMESTAMP(created)'];
$now=date(U);
$diff = $now - $created;
?>
<?
$diff = round($diff / 125400);
$min = "min";
$mins = "mins";
$hours = "hours";
$hour = "hour";
$day = "day";
$days = "days";
if ( $diff <= 1 ){
print ($diff . " " . $min);
}elseif ( $diff > 1 && $diff <= 59 ){
print ($diff . " " . $mins);
}elseif ( $diff >= 60 && $diff <= 119 ){
$diff = round($diff / 60);
print (1 . " " . $hour);
}elseif ( $diff >= 120 && $diff <= 1439 ){
$diff = round($diff / 60);
print ($diff . " " . $hours);
}elseif ( $diff >= 1440 && $diff <= 2879 ){
print (1 . " " . $day);
}elseif ( $diff >= 2880 ){
$diff = round($diff / 1440);
print ($diff . " " . $days);
}else {};
?></td>