I do not know what I am doing wrong, please help!

<?php

class Fish
{
    public $common_name;
    public $flavor;
    public $record_weight;

    function __construct($name, $flavor, $record){
        $this->common_name = $name;
        $this->flavor = $flavor;
        $this->record_weight = $record;
    }

    public function getInfo() {
        $output  = "The {$this->common_name} is an awesome fish. ";
        $output .= "It is very {$this->flavor} when eaten. ";
        $output .= "Currently the world record {$this->common_name} weighed {$this->record_weight}.";
        return $output;
    }
}
  class Trout extends Fish
  {
    public $species;

    function __construct($name, $flavor, $record, $species){
      $this->common_name = $name;
      $this->flavor = $flavor;
      $this->record_weight = $record;
      $this->species = $species;  
    }
    public function getInfo() {
      return ".$this->species .$this->common_name tastes .$this->flavor . The record .$this->species .$this->common_name 
                 weighed .$this->record_weight ."; 
  }

  }
$brook_trout = new Trout("Trout","Delicious","14 pounds 8 ounces","Brook");
echo getInfo();
?>