"March 27, 2018" format to time ago

function get_timeago($ptime) { 
  $estimate_time = time() - $ptime; 

  if( $estimate_time < 1 ) { 
      return 'less than 1 second ago'; 
  } 

  $condition = array( 
      12 * 30 * 24 * 60 * 60 => 'year', 
      30 * 24 * 60 * 60 => 'month', 
      24 * 60 * 60 => 'day', 
      60 * 60 => 'hour', 
      60 => 'minute', 
      1 => 'second' 
  ); 

  foreach( $condition as $secs => $str ) { 
      $d = $estimate_time / $secs; 

      if( $d >= 1 ) { 
          $r = round( $d ); 
          return 'about ' . $r . ' ' . $str . ( $r > 1 ? 's' : '' ) . ' ago'; 
      } 
  } 
}