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PHP Object-Oriented PHP Basics Building a Collection Shopping List Method

ISSUES ERROR IN recipecollection.php

MY CODE

<?php...
public function getCombinedIngredients()
    {
        $ingredients = array();
        foreach ($this->recipes as $recipe) {
            foreach ($recipe->getIngredients() as $i) {
                $item = $i['item'];
                if (strpos($item, ",")) {
                    $item = strstr($item, ",", true);
                }
                if (in_array($item . "s", $ingredient_list)) {
                    $item .= "s";
                } else if (in_array(substr($ingredient,0,-1),$ingredient_list)) {
                    $ingredient = substr($ingredient,0,-1);
                }
                $ingredient_list[$item][] = array($i["amount"],$i["measure"]);
            }
        }
        return $ingredients;
    }
?>//LINE 63

MY ERROR

Parse error: syntax error, unexpected '?>', expecting function (T_FUNCTION) in /home/treehouse/workspace/classes/recipecollection.php on line 63