gistfile1.php

$datetime_transformer = new \Symfony\Component\Form\Extension\Core\DataTransformer\DateTimeToStringTransformer(null, null, 'Y-m-d H:i:s');
        $timestamp_transformer = new \Symfony\Component\Form\Extension\Core\DataTransformer\DateTimeToTimestampTransformer();

        # Transforming to Timestamp
        if (!($from_time instanceof \DateTime) && !is_numeric($from_time)) {
            $from_time = $datetime_transformer->reverseTransform($from_time);
            $from_time = $timestamp_transformer->transform($from_time);
        } elseif($from_time instanceof \DateTime) {
            $from_time = $timestamp_transformer->transform($from_time);
        }

        $to_time = empty($to_time) ? new \DateTime('now') : $to_time;

        # Transforming to Timestamp
        if (!($to_time instanceof \DateTime) && !is_numeric($to_time)) {
            $to_time = $datetime_transformer->reverseTransform($to_time);
            $to_time = $timestamp_transformer->transform($to_time);
        } elseif($to_time instanceof \DateTime) {
            $to_time = $timestamp_transformer->transform($to_time);
        }

        $distance_in_minutes = round((abs($to_time - $from_time))/60);
        $distance_in_seconds = round(abs($to_time - $from_time));

        if ($distance_in_minutes <= 1){
            if ($include_seconds){
                if ($distance_in_seconds < 5){
                    return $this->translator->trans('less than %seconds seconds ago', array('%seconds' => 5));
                }
                elseif($distance_in_seconds < 10){
                    return $this->translator->trans('less than %seconds seconds ago', array('%seconds' => 10));
                }
                elseif($distance_in_seconds < 20){
                    return $this->translator->trans('less than %seconds seconds ago', array('%seconds' => 20));
                }
                elseif($distance_in_seconds < 40){
                    return $this->translator->trans('half a minute ago');
                }
                elseif($distance_in_seconds < 60){
                    return $this->translator->trans('less than a minute ago');
                }
                else {
                    return $this->translator->trans('1 minute ago');
                }
            }
            return ($distance_in_minutes===0) ? $this->translator->trans('less than a minute ago', array()) : $this->translator->trans('1 minute ago', array());
        }
        elseif ($distance_in_minutes <= 45){
            return $this->translator->transchoice('%minutes minutes ago', $distance_in_minutes, array('%minutes' => $distance_in_minutes));
        }
        elseif ($distance_in_minutes <= 90){
            return $this->translator->trans('about 1 hour ago');
        }
        elseif ($distance_in_minutes <= 1440){
            return $this->translator->transchoice('about %hours hours ago', round($distance_in_minutes/60), array('%hours' => round($distance_in_minutes/60)));
        }
        elseif ($distance_in_minutes <= 2880){
            return $this->translator->trans('1 day ago');
        }
        else{
            $distance_in_days = round($distance_in_minutes/1440);
            if (!$include_months || $distance_in_days <= 30) {
                return $this->translator->trans('%days days ago', array('%days' => round($distance_in_days)));
            }
            else {
                return $this->translator->transchoice('{1} 1 month ago |]1,Inf[ %months months ago', round($distance_in_days/30), array('%months' => round($distance_in_days/30)));
            }
        }